Last updated: April 14, 2025
Bulgaria's climate is characterized by its diverse temperature range and distinct seasonal variations. Winter can be notably harsh, with minimum temperatures dropping to -27°C (-16°F) in January in Pernik, while summers can be scorching, reaching up to 43°C (110°F) in July in Montana. Precipitation levels also fluctuate significantly, with dry September months recording as little as 16 mm (0.6 in) in Pleven, contrasted by the wettest month of June, where Smolyan receives up to 184 mm (7.2 in). Humidity levels vary, reflecting the seasonal climate; August typically sees a low average of 47% in Blagoevgrad, whereas January can be quite damp, peaking at 90% in Vidin. This blend of temperatures, precipitation, and humidity showcases the dynamic and multifaceted climate of Bulgaria.
Bulgaria's climate is a diverse tapestry woven from several Köppen-Geiger climate classes, primarily characterized by Cfa (humid subtropical) and Cfb (oceanic) in the lowlands and valleys, while transitioning to Dfb (humid continental) in the mountainous regions. Cities such as Blagoevgrad and Gabrovo showcase this blend, experiencing warm summers and chilly winters. Coastal regions like Burgas and Varna enjoy milder climates, benefiting from their proximity to the Black Sea. In contrast, the interior towns, such as Kyustendil and Sofia, can experience more pronounced seasonal shifts, making each locale unique. Whether you're in the bustling capital or the serene mountains, Bulgaria offers a little something for every climate preference.
| Climate Zone | Description |
|---|---|
| Cfa | Humid subtropical climate with hot summers and mild winters. |
| Cfb | Oceanic climate with mild temperatures and moderate rainfall year-round. |
| Csa | Hot-summer Mediterranean climate with dry summers and wet winters. |
| Csb | Warm-summer Mediterranean climate with dry summers and wet winters. |
| Dfb | Humid continental climate with warm summers and cold winters. |
Bulgaria experiences a striking range of temperatures throughout the year, showcasing its contrasting climate. January sees chilling lows, with temperatures plummeting to -27°C (-16°F) in Pernik, while warmer spells can reach up to 18°C (64°F) in Lovech. By February, a similar pattern continues with extremes between -24°C (-11°F) in Sofia-Capital and a delightful 23°C (73°F) in Montana. March heralds the arrival of spring, with temperatures climbing, occasionally hitting 27°C (81°F) in Montana, juxtaposed with chilly lows of -24°C (-12°F) in Pazardzhik. As April rolls in, the contrast sharpens further, featuring a minimum of -10°C (14°F) in Smolyan and peaks of 31°C (88°F) in Montana. The warmth escalates through May to July, with scorching highs of 43°C (110°F) in Montana in both July and August, while the lows hover around 6°C (43°F) in Blagoevgrad. As summer wanes in September, temperatures can still reach 38°C (101°F) in Pleven, before cooling down again in October with frosty lows of -4°C (25°F). The descent continues into winter, with November presenting notable contrasts from -16°C (3°F) in Pernik to a warm 28°C (82°F) in Ruse, and December concluding the year with lows around -22°C (-7°F) in Smolyan and highs of 20°C (68°F) in Haskovo. This dramatic temperature variability captures Bulgaria's diverse climatic character, offering both frigid winters and sun-drenched summers.
Bulgaria's precipitation patterns reveal significant seasonal variation, with marked contrasts between months. September experiences the driest conditions, particularly in Pleven, where rainfall can drop to a mere 16 mm (0.6 in) and precipitation is recorded over just 2 days in Silistra. In stark contrast, June emerges as the wettest month, showcasing an impressive peak with up to 184 mm (7.2 in) of rainfall in Smolyan, accompanied by nearly three weeks of precipitation over 21 days. This dynamic reflects not only the diverse climates across the regions but also suggests a trend of concentrated rainfall during the summer months, influencing agricultural practices and water resource management throughout the country.
Bulgaria experiences a notable range of humidity levels throughout the year, reflecting its diverse climate. In the cold depths of January, places like Vidin can reach a maximum humidity of 90%, creating a notably damp atmosphere, while the summer month of August sees a significant dip, with minimum humidity levels dropping to 47% in Blagoevgrad. This contrast highlights a seasonal pattern where the winter months tend to be much more humid, while the heat of summer brings dryer conditions, offering a dynamic interplay of moisture that influences both the environment and daily life in this picturesque Balkan country.
In June, Bulgaria experiences significant variations in UV Index (UVI) levels across different regions, highlighting the importance of regional awareness for sun safety. In Dobrich, the average daily maximum UVI reaches a notable 9, while in the mountainous region of Smolyan, it peaks even higher at 11. This trend indicates that those in Smolyan, despite being surrounded by scenic peaks, face greater UV exposure, underscoring the need for precautions regardless of the environment. As summer unfolds, understanding these regional trends becomes essential for effectively protecting oneself from harmful ultraviolet radiation.
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Bulgaria experiences varying sunshine durations throughout the year, reflecting its diverse climatic conditions. In January, for instance, the coastal city of Burgas enjoys 163 hours of sun, while the mountainous region of Smolyan boasts a slightly brighter 184 hours. As summer approaches, this trend shifts dramatically; July brings the sunniest days, with Pernik basking in an impressive 421 hours of sunlight, and Dobrich leading the way with 430 hours. This significant seasonal contrast highlights Bulgaria's ability to provide both winter charm and summer warmth, making it a versatile destination for sun-seekers year-round.
In Bulgaria, the likelihood of sunny weather varies significantly across the seasons and regions, showcasing a fascinating climatic diversity. For instance, while November in Vidin sees only 24% sunny days, highlighting the onset of colder months, the summer months in Kardzhali shine brightly with an impressive 81% chance of sunshine in July. This stark contrast not only emphasizes the delightful summers that Bulgaria offers but also the seasonal shifts that define its weather patterns, making it a captivating destination for sun-seekers during the warmer months.
In Bulgaria, the daylight hours experience a remarkable shift between seasons, particularly evident in Silistra. During the crisp month of December, residents can expect about 8 hours of sunlight, perfect for enjoying the cozy winter atmosphere. As summer rolls around, this number nearly doubles, with June offering an impressive 15 hours of daylight. This significant increase not only highlights the vibrant contrast between the cold, dark winter months and the bright, lively summer days but also hints at the myriad opportunities for outdoor activities as the days grow longer and warmer. Whether it's winter festivities or summer explorations, Silistra's changing daylight hours beautifully capture the essence of each season.
Nestled in the picturesque region of Bulgaria, Blagoevgrad experiences a continental climate marked by distinct seasons. Winters can be quite harsh, with temperatures plummeting as low as -24°C (-11°F) in January, while summers offer a warm embrace, reaching up to 41°C (106°F) in August. This town is also no stranger to precipitation, with June often bringing the highest rainfall at 110 mm (4.3 in), contributing to its lush landscapes. With humidity levels that fluctuate throughout the year, from a brisk 88% in January to a drier 47% in August, Blagoevgrad presents a unique climate that enriches both its natural beauty and cultural experiences. For a deeper insight into what to expect, check out the detailed Blagoevgrad climate.
The climate in Burgas, Bulgaria offers a diverse experience, with cold winters and warm summers that attract various visitors year-round. In January, temperatures can dip as low as -14°C (7°F), but by July, the mercury often rises to 36°C (97°F), making beach days a delight. While precipitation peaks in January and June, the summer months tend to be drier, boasting low humidity levels, especially in August at just 54%. With distinct seasonal changes, visitors can enjoy the beauty of Burgas in any month, making it a vibrant destination. For more details, check out the Burgas climate.
In Dobrich, Bulgaria, the climate is characterized by distinct seasonal contrasts, from icy winters to warm summers. January and February can bring freezing temperatures, with lows reaching -17°C (2°F) and -15°C (5°F) respectively, while summer peaks in July and August can soar up to a scorching 38°C (100°F). The region sees the most precipitation during June, when rainfall can accumulate to 100 mm (3.9 in), creating a lush environment. As the year progresses, humidity gradually decreases, making the late summer months particularly comfortable for exploring. For more detailed insights into the seasonal patterns, visit Dobrich climate.
Nestled in the heart of Bulgaria, Gabrovo experiences a diverse climate that adds a unique charm to each season. Winters can be quite chilly, with January temperatures dropping as low as -17°C (2°F) and a frosty, humid atmosphere, while summers bring warmth, peaking at around 38°C (100°F) in August. The region receives significant rainfall, especially in the summer months, with June recording the highest precipitation of 149 mm (5.9 in). As the seasons transition, the humidity levels fluctuate, providing a refreshing summer contrast to the crisp winter air. For those interested in exploring the weather trends throughout the year, more details can be found at Gabrovo climate.
Haskovo, Bulgaria, experiences a diverse climate marked by cold winters and hot summers. In January and February, temperatures can plunge as low as -21°C (-6°F), while summer months see highs soaring up to 41°C (107°F). The city also receives a fair amount of precipitation, peaking in June with nearly 100 mm of rain, and enjoys relatively low humidity during the hottest months, allowing for comfortable summer evenings. As autumn approaches, temperatures gradually drop, with November and December bringing cooler spells and increased humidity. For a thorough breakdown of weather patterns, check the detailed Haskovo climate.
Nestled in southeastern Bulgaria, Kardzhali experiences a diverse climate that captures the essence of each season. Winters can be quite cold, with January temperatures dipping as low as -15°C (5°F), while summers are warm and inviting, peaking at 38°C (100°F) in August. The transition between seasons showcases a tapestry of colors and weather, with spring bringing a burst of life as temperatures rise, and autumn presenting a beautiful fade to cooler days. Kardzhali also faces varying humidity levels, peaking in winter months while summer offers a refreshing decrease, making the hot days more bearable. For a detailed look at weather patterns, visit Kardzhali climate.
Kyustendil, Bulgaria experiences a distinct seasonal climate, characterized by cold winters and warm summers. January can plunge to a chilly -26°C (-14°F), while July boasts highs around 36°C (97°F), making it the warmest month. Precipitation fluctuates throughout the year, with March receiving the most at 85 mm, and August typically being the driest month with only 28 mm. Humidity levels are generally high in winter, peaking at 89% in January, but drop to a more comfortable 49% in the summer. For more detailed information, visit Kyustendil climate.
The climate in Lovech, Bulgaria is a medley of extremes, showcasing chilly winters and hot summers that create a varied tapestry of seasons. January brings the coldest temperatures, dropping as low as -20°C (-4°F), while July and August can reach a fiery 40°C (104°F). With a yearly average humidity fluctuating between 50% in the summer and 89% in winter, the air can feel quite damp, especially during the rainy months of June and May, which see some of the highest precipitation levels. As you explore the changing climate, it’s essential to prepare for both chilly winds and the warmth of summer sun. Discover more about this unique environment by visiting Lovech climate.
Nestled in the heart of Bulgaria, Montana experiences a climate that ranges from biting cold in winter to sweltering summers. January brings chilly temperatures as low as -19°C (-2°F) and high humidity of 89%, while July heats things up with averages around 24°C (75°F) and peaks soaring to 43°C (110°F). The wettest months are typically March and June, where precipitation reaches 85 mm (3.3 in) and 87 mm (3.4 in) respectively, creating lush landscapes amidst the seasonal shifts. As the weather fluctuates, visitors are treated to a rich tapestry of nature’s beauty, whether in the frost of winter or the lush greens of summer. For more detailed insights, explore the Montana climate.
Pazardzhik, Bulgaria, experiences a dramatic range of temperatures throughout the year, from frigid winters with January lows plummeting to -21°C (-5°F) to sweltering summers where July and August see maxima reaching 39°C (103°F). With a humid atmosphere, particularly in the cold months, January and December linger around 88% humidity, while the summer months offer a respite, dipping to 48% in August. Rainfall is most abundant in early summer, peaking at 120 mm (4.7 in) in June, fostering lush landscapes that transition into a lovely autumn. Discover more about the unique weather patterns that shape the experience of this charming city at Pazardzhik climate.
Pernik, Bulgaria, experiences a continental climate characterized by cold winters and warm summers. January sees minimum temperatures plunging to -27°C (-16°F), with an average of -1°C (31°F), while July boasts a sizzling maximum of 35°C (96°F). The town's precipitation is fairly well-distributed throughout the year, peaking in March and December, with humidity levels ranging from a chilly 89% in winter to a comfortable 50% in late summer. For detailed information on the seasonal weather patterns and averages, visit Pernik climate.
Pleven, Bulgaria, experiences a dramatic range of temperatures throughout the year, with winter lows plunging to -20°C (-4°F) in January, while summer highs can soar to a sizzling 41°C (105°F) in June, July, and August. The annual precipitation varies significantly, with June being the wettest month at 101 mm (4.0 in), leading to lush landscapes in spring and early summer. Humidity levels can be surprisingly high in winter, hovering around 89%, but drop to about 49% during the warm summer months, creating a dry heat. The transition between seasons offers a rich tapestry of weather, making Pleven an interesting destination for those who appreciate varying climates. For more detailed information, check the Pleven climate.
Plovdiv experiences a diverse climate throughout the year, with winter temperatures dipping as low as -21°C (-5°F) in January and warming up to 41°C (105°F) in the sizzling summer months of July and August. The average rainfall peaks in June, receiving around 124 mm (4.9 in), while the humidity fluctuates from a cool 49% in August to a soggy 89% in January. As the seasons change, visitors can relish in the transition from cozy winters to vibrant springs and hot summers, making Plovdiv's climate both dynamic and inviting. For a more detailed look at the city's weather patterns, check out Plovdiv climate.
Nestled in Bulgaria, Razgrad experiences a diverse climate that showcases the beauty of each season. Winters can be quite cold, with January temperatures dipping to a frigid -18°C (0°F), accompanied by high humidity levels that reach up to 88%. As spring awakens, the mercury gradually rises, with averages of 6°C (43°F) in March and peaks of 28°C (82°F) by April, often bringing refreshing rains. Summer is warm and occasionally scorching, especially in July when temperatures soar to nearly 39°C (102°F), but the relatively low humidity of 62% offers some relief. To explore the intricate details of Razgrad’s climate throughout the year, visit Razgrad climate.
Ruse, Bulgaria experiences a diverse climate that captivates throughout the year. Winters can be brisk, with January temperatures plummeting to a chilly -18°C (0°F), while summers bring warmth, peaking at 40°C (104°F) in July and August. Precipitation varies considerably, with the wettest month being June, receiving an average of 107 mm (4.2 in), whereas August remains notably dry at just 23 mm (0.9 in). The change in humidity throughout the year adds to the city's character, ranging from a humid 88% in January to a comfortable 48% in August. For a deeper dive into the seasonal variations, explore more at Ruse climate.
Shumen, Bulgaria, delights visitors with its diverse climate, ranging from chilly winters to warm summers. January kicks off the year with temperatures dropping as low as -17°C (1°F) and a crisp average of 1°C (34°F), while July welcomes sizzling days with highs peaking at 38°C (100°F). The summer months are particularly dry, especially in August, which sees just 24 mm of rain, while June can be quite wet, bringing in 111 mm (4.4 in) of precipitation. With humidity levels varying from a steamy 88% in January to a more comfortable 48% in August, Shumen offers an engaging blend of weather that can intrigue any climate enthusiast. For more detailed information, check out the Shumen climate.
Silistra, Bulgaria experiences a diverse climate that shifts dramatically throughout the year, from bite-size winters to scorching summers. January and February bring frigid temperatures, with averages hovering around 1-4°C (34-39°F) and humidity rates exceeding 80%, while the summer months of June and July can soar to 38°C (101°F), accompanied by lower humidity levels. Spring and autumn provide a scenic transition, where temperatures range from a refreshing 12°C (53°F) in April to a mild 20°C (68°F) in September, with varied precipitation contributing to the area’s lush landscapes. For more detailed insights, explore the full Silistra climate.
Sliven, Bulgaria, experiences a diverse climate that transitions dramatically throughout the year. Winters can be quite cold, with temperatures plummeting to a chilling -16°C (3°F) in January, while summers sizzle, reaching highs of 40°C (105°F) in August. The region sees its highest rainfall in June, accumulating around 115 mm (4.5 in), yet the warm months tend to be drier, making them ideal for enjoying outdoor activities. Humidity levels fluctuate, peaking in the winter months, creating a crisp atmosphere that gives way to the more comfortable, milder days of spring and late summer. For more insights, check out the detailed Sliven climate.
Nestled in the picturesque landscape of Bulgaria, Smolyan experiences a dynamic climate that changes with the seasons. Winters can be quite brisk, with January and December temperatures plunging as low as -22°C (-7°F), while summers are pleasantly warm, peaking at 34°C (93°F) in July and August. Rainfall varies throughout the year, with the summer months of June and July receiving the most precipitation, reaching up to 184 mm (7.2 in). Humidity levels fluctuate as well, remaining relatively high in winter and dropping to a comfortable 47% in the heart of summer. For a detailed overview of the weather patterns, visit Smolyan climate.
Sofia's climate exhibits a striking range of temperatures throughout the year, with January often plunging to a chilly -25°C (-14°F), while July can strike sweltering highs of 36°C (97°F). The city's weather is also marked by notable humidity changes, reaching up to 89% in winter months, making the cold feel even sharper. Precipitation varies, peaking in June with 129 mm (5.1 in), which nourishes the lush surroundings during the hot summer. This blend of cold winters and warm summers offers a captivating backdrop for visitors, making Sofia a delightful destination in any season. For a detailed look at the city's climate, check out Sofia climate.
Sofia, the vibrant capital of Bulgaria, experiences a continental climate marked by cold winters and warm summers. In January, temperatures can plummet to as low as -25°C (-14°F), while July sees averages soar to 20°C (68°F), peaking at a sizzling 35°C (95°F). Precipitation is fairly consistent throughout the year, with June typically being the wettest month at 102 mm (4.0 in), making summer thunderstorms quite common. Humidity varies, reaching 89% in January and dropping to as low as 50% in August, creating a dynamic climate that is both refreshing and invigorating. For more detailed insights, visit Sofia-Capital climate.
Nestled in the heart of Bulgaria, Stara Zagora experiences a diverse climate that showcases the beauty of all four seasons. Winters can be chilly, with January temperatures dipping as low as -19°C (2°F), while summers offer warmth that peaks at a sweltering 42°C (108°F) in August. Precipitation varies throughout the year, with the wettest month being June, receiving around 117 mm (4.6 in) of rain, contributing to the region's lush landscapes. A relatively low humidity during the summer months creates a comfortable environment, perfect for outdoor exploration. For more details on the weather patterns in this vibrant city, check out Stara Zagora climate.
Targovishte, Bulgaria, experiences a rich variety of seasons, with temperatures ranging from chilly winters to warm summers. January can see lows plummet to -18°C (0°F), while July and August boast sizzling highs of up to 38°C (101°F). Precipitation varies throughout the year, peaking at 130 mm (5.1 in) in June, often accompanied by a comfortable humidity level that drops in the summer months. Autumn and winter bring a crisp freshness, making Targovishte a dynamic destination for those who appreciate changing climates. For more insights on Targovishte's weather patterns, visit Targovishte climate.
Varna, Bulgaria, experiences a diverse climate that captivates visitors year-round. Winters can be quite chilly, with temperatures dropping to -17°C (2°F) in January, while summers bring warmth and vibrancy, with peaks reaching 36°C (98°F) in August. Rainfall varies throughout the year, with June being the wettest month, accumulating around 95 mm (3.7 in) of rain, while August often enjoys the driest conditions. Humidity levels fluctuate, generally decreasing during the hot summer months, which adds a refreshing quality to the warm Mediterranean air. For those looking to explore further nuances of Varna's weather, visit Varna climate.
The climate in Veliko Tarnovo, Bulgaria, showcases a vivid seasonal contrast that draws visitors year-round. Winters can be chilly, with January temperatures dipping as low as -19°C (-2°F), while July brings on the heat, peaking at a sweltering 40°C (104°F). Rainfall varies throughout the year, with the wettest month in June, receiving 122 mm (4.8 in) of precipitation, while August enjoys a drier spell. The unique blend of humidity levels, fluctuating from a damp 88% in January to a comfortable 48% in August, adds another layer to this charming destination. For a comprehensive overview, explore the detailed Veliko Tarnovo climate.
Nestled in Bulgaria, Vidin’s climate is marked by a striking contrast between frigid winters and sweltering summers. January brings biting cold with temperatures plummeting to -20°C (-3°F), while July and August see highs cruising around 42°C (107°F), making it one of the hottest months. The seasonal rhythm is underscored by significant precipitation, with a peak in March and May, reflecting the lushness of spring. Humidity also varies throughout the year, from a damp 90% in January to a more comfortable 49% in August. For a deeper dive into the region's weather intricacies, explore the details on Vidin climate.
Nestled in the Balkans, Vratsa boasts a diverse climate that transitions dramatically throughout the year. Winters can be quite frigid, with January temperatures dipping as low as -20°C (−4°F), while summers can soar to a sizzling 41°C (106°F) in July. As the seasons change, so does the humidity and precipitation, creating an environment where crisp, snow-laden winters give way to warmer, sun-drenched summers and refreshing spring showers. The mix of mild autumns and vibrant springs enhances the charm of this picturesque town, making it a perfect destination year-round. For those interested in delving deeper into Vratsa's climate, you can explore more at Vratsa climate.
Yambol, Bulgaria, experiences a diverse climate characterized by cold winters and hot summers. January often sees temperatures dip to a chilling -13°C (10°F), with precipitation peaking around 64 mm and high humidity at 88%, creating a crisp winter atmosphere. As summer rolls in, July and August bring sizzling highs up to 39°C (102°F) along with lower humidity, making it an ideal time for outdoor activities. Transitioning into autumn, the weather remains mild, with October temperatures averaging around 14°C (58°F) amidst a notable 73 mm of rainfall. For a deeper look at the seasonal variations, explore the full details of the Yambol climate.
Bulgaria's climate is characterized by striking seasonal contrasts, with temperatures ranging dramatically from a bone-chilling -27°C in January in Pernik to a scorching 43°C in July in Montana. As the year progresses, precipitation patterns shift notably, with June often yielding the highest rainfall, peaking at 184 mm in Smolyan, while September offers a drier spell with just 16 mm in Pleven. Humidity levels also reflect the changing seasons, soaring to an average maximum of 90% in January in Vidin before dropping to a more comfortable 47% in August in Blagoevgrad. These climatic fluctuations highlight Bulgaria’s diverse weather, shaping its rich natural landscape and influencing local lifestyles throughout the year.