Last updated: January 18, 2025
Sumy, Ukraine experiences a Dfb Köppen-Geiger climate classification, characterized by a humid continental climate. This region endures significant temperature fluctuations, with a stark minimum of -27°C (-16°F) in January reflecting the harshness of winter. Conversely, the summer months bring a warm average temperature of 9°C (48°F), peaking at a notable 35°C (95°F) in June. These temperature extremes underscore Sumy's dynamic climate, marked by distinct seasonal variations that influence both local ecosystems and human activities.
In Sumy, Ukraine, temperature patterns reveal a distinct seasonal rhythm, with harsh winters and warm summers. January kicks off the year with frigid conditions, showcasing minimum temperatures plummeting to -27°C (-16°F), while averages hover around -4°C (25°F). As winter progresses, February experiences slightly milder temperatures, setting the stage for the gradual warming of spring, where March sees a significant rise, culminating in maximums reaching 19°C (67°F). By April, the landscape transforms, with averages rising to 8°C (47°F) and maximums soaring to 25°C (77°F), paving the way for the warm embrace of May, where temperatures peak at 31°C (87°F). The summer months of June, July, and August maintain higher averages around 20-21°C (68-69°F), with maximums consistently hitting 35°C (95°F). As fall approaches in September, temperatures begin to decline, transitioning through cool October, marked by averages of 9°C (49°F) and chilly November before winter once again tightens its grip in December, bringing temperatures back to below zero. This cycle reflects the pronounced seasonal contrasts typical of Sumy’s humid continental climate.
Krolevets experiences a minimum temperature of -24°C (-11°F) in January, with a maximum of 34°C (94°F) in June, as detailed in the monthly temperatures in Krolevets report. Similarly, Seredyna-Buda sees lows of -24°C (-11°F) in February and highs of 35°C (94°F) in June, according to the monthly temperatures in Seredyna-Buda. In comparison, Sumy has a colder minimum of -27°C (-16°F) in January, with a maximum of 35°C (95°F) in June, which can be explored further in the monthly temperatures in Sumy data.
Precipitation in Sumy, Ukraine reflects a notable seasonal variation, with winter months experiencing lower totals and summer months showing a significant increase. January and February each contribute roughly 44-45 mm (1.7-1.8 in) of rain, typically falling over 8 to 9 days, suggesting a relatively dry winter. As spring emerges, March and April maintain similar precipitation levels of 40 mm (1.6 in), with consistent spreading across 8 to 9 days, while May witnesses a marked increase in rainfall, rising to 71 mm (2.8 in) over approximately 12 days—a key transition into the growing season.
Summer brings the highest precipitation, with July recording 78 mm (3.1 in), followed closely by June at 54 mm (2.1 in), both distributed over around 10 to 11 days. This peak is followed by a significant drop in August, where rain decreases to 27 mm (1.1 in) across just 5 days. As autumn approaches, precipitation levels stabilize around 39-45 mm (1.5-1.8 in), indicative of a return to a moderately rainy climate, with a gradual accumulation in December raising totals to 69 mm (2.7 in) over 13 days. This cyclical pattern showcases Sumy's dynamic climate, firmly characterized by seasonal shifts in both temperature and precipitation.
In Sumy, Ukraine, sunshine duration exhibits a clear seasonal pattern, characterized by a steady increase from the winter months to the height of summer. Starting with just 76 hours of sunshine in January, there is a significant jump in February to 151 hours, signaling the gradual lengthening of days. As spring unfolds, March sees a notable rise to 264 hours, and by April, sunshine hours further increase to 333 hours, laying the groundwork for the vibrant growth of May, which boasts 399 hours of bright sunlight. The momentum continues into summer, with June reaching 425 hours, and July peaking at an impressive 438 hours—the highest sunshine duration of the year.
As summer transitions into autumn, sunshine hours begin to decline, yet they remain substantial. August still offers 402 hours, but as September rolls in, this number drops to 321 hours, indicating the onset of shorter days. The descent continues through October with 247 hours, and by November, the sunshine duration significantly diminishes to merely 140 hours, returning to winter-like conditions with only 74 hours in December. This cyclical trend in sunshine duration underscores Pay attention to the stark differences between the sun-drenched summer months and the grey, sun-restrained winter period, emphasizing the importance of sunlight for both agriculture and the overall quality of life in Sumy.
In Sumy, Ukraine, the UV Index varies significantly throughout the year, reflecting the changing intensity of sunlight with the seasons. In the winter months of January and February, the UV Index remains low at 2, with a safe burn time of 45 minutes, indicating minimal risk for UV-related health issues. As spring arrives, March marks a notable increase to 5, transitioning to a moderate risk level, while April rises further to 6, categorized as high, with a reduced burn time of 25 minutes. This upward trend continues into May, where the UV Index reaches 7, necessitating caution for prolonged sun exposure.
The intensity peaks in the summer months, with both June and July recording a very high UV Index of 8, which shortens the safe burn time to just 15 minutes. Although August sees a slight decline to 7 and September to 6, both still require attention to sun safety. As autumn sets in, the Index drops to 4 in October, categorized as moderate, before plunging back to low levels with 2 in November and 1 in December, reintroducing the need for protective measures only on particularly sunny winter days. This cyclical pattern underscores the importance of being vigilant about UV exposure in the sunnier months to mitigate the risks of skin damage.
UV Risk Categories
In Sumy, Ukraine, daylight duration varies markedly throughout the year, reflecting the natural progression of the seasons. January caps the year at its shortest with only 8 hours of daylight, gradually increasing to 9 hours in February as the days begin to lengthen. March experiences a noticeable shift with 11 hours of daylight, heralding the arrival of spring. April brings further brightness with 13 hours, and May reaches a more pronounced 15 hours, laying the foundation for the peak daylight duration in June, when Sumy basks in 16 hours of sunlight—truly embracing the essence of summer.
As summer begins to wane, daylight gradually recedes, with July still providing 15 hours but tapering off to 14 hours in August. September experiences a further decline to 12 hours, marking a transition to the autumn months. This downward trend continues through October with 10 hours, before returning to 8 hours in November, and concluding the year with the briefest daylight period of 7 hours in December. This cyclical daylight pattern underscores the shifting character of Sumy's seasons and their profound influence on daily life, leisure activities, and social engagement throughout the year.
Bilopillia, Ukraine experiences a continental climate characterized by cold winters and warm summers. January and February have extreme low temperatures reaching as low as -26°C (-14°F), while July typically sees highs around 32°C (91°F). Rainfall peaks in July with 81 mm (3.2 in), while sunshine is abundant in the summer months, particularly in July with 440 hours. Average temperatures fluctuate significantly throughout the year, transitioning from cold winter months to warm summer days. For more detailed information, visit Bilopillia climate.
The climate in Boromlia, Ukraine, features cold winters with January temperatures averaging -4°C (26°F) and reaching extremes as low as -25°C (-12°F). Spring brings moderate warmth, transitioning to summer highs averaging 21°C (70°F) in July, with a peak of 35°C (95°F) in June and August. Precipitation is balanced throughout the year, with May typically experiencing the highest rainfall at 66 mm (2.6 in), while August sees the least at 19 mm (0.8 in). Sunshine is abundant during the summer months, peaking at 441 hours in July, contrasting with the limited 79 hours in December. For more details, visit Boromlia climate.
Buryn, Ukraine experiences a continental climate characterized by cold winters and warm summers. January temperatures range from a frigid -25°C to a mild 7°C, while July sees highs of up to 32°C. Precipitation peaks in July at 86 mm, with a relatively dry August at 26 mm. The sun shines brightest in summer, with July averaging 435 hours of sunshine, compared to only 74 hours in January. For more detailed information, visit Buryn climate.
Chuikivka, Ukraine, experiences a diverse climate with cold winters and warm summers. January temperatures range from a frigid -25°C to a mild 6°C, while July sees averages around 20°C, reaching up to 32°C. Precipitation peaks in July at 90 mm, contributing to the summer's lush vegetation, but winter months remain drier. Sunshine is abundant during the summer, with July receiving 434 hours, contrasted with only 64 hours in January. For more details, visit Chuikivka climate.
Druzhba, Ukraine experiences a continental climate characterized by cold winters and warm summers. January temperatures can drop as low as -25°C (-13°F), while July sees averages around 20°C (68°F) with maximums reaching 32°C (89°F). Precipitation varies throughout the year, peaking in July with 90 mm (3.6 in), while sunshine is abundant in summer, reaching up to 434 hours in July. The transition from winter to spring is marked by increasing temperatures and decreasing snowfall, making Druzhba's climate both diverse and dynamic. For more detailed information, visit Druzhba climate.
The climate in Esman, Ukraine, features cold winters and warm summers. January temperatures dip as low as -24°C (-12°F), while July averages around 20°C (68°F). Precipitation is highest in July at 89 mm (3.5 in), with May also receiving substantial rainfall (77 mm or 3.0 in). The sunniest months are June and July, boasting over 400 hours of sunshine, while winter months see significantly less light. For more detailed information, visit Esman climate.
The climate in Hlukhiv, Ukraine is characterized by cold winters and warm summers. January temperatures can drop as low as -24°C (-12°F), while July peaks around 32°C (89°F). Precipitation is most abundant in summer, particularly in July with 89 mm (3.5 in), whereas winter months see less rainfall. Sunshine hours are highest in June and July, reaching 440 hours, offering plenty of daylight during the warmest months. For more detailed information, visit Hlukhiv climate.
Konotop, Ukraine experiences a continental climate with cold winters and warm summers. January temperatures average around -4°C (26°F), while July sees an average of 21°C (69°F). Precipitation is relatively high in summer, especially in July with about 89 mm (3.5 in), contrasting with drier months like January and February. The region enjoys ample sunshine from April to July, peaking at 437 hours in July, which supports a vibrant growing season. For more detailed information, visit Konotop climate.
Krasnopillia, Ukraine experiences a continental climate with cold winters and warm summers. January temperatures can drop as low as -25°C (-13°F), while July sees averages around 21°C (70°F). Precipitation is fairly consistent, peaking in July at 72 mm (2.9 in) and dropping to 20 mm (0.8 in) in August. Sunshine hours are most abundant in the summer months, reaching up to 437 hours in July, contributing to warm weather and vibrant vegetation. For more detailed climate information, visit Krasnopillia climate.
Krolevets, Ukraine experiences a continental climate characterized by cold winters and warm summers. January and February are the coldest months, with average temperatures around -4°C (25°F) and -3°C (26°F), respectively, while July peaks at a comfortable 20°C (69°F). Precipitation varies throughout the year, with the wettest month being July at 89 mm (3.5 in), while sunshine hours are highest in June and July, averaging 429 hours. For more detailed information, visit Krolevets climate.
Kyrykivka, Ukraine experiences a continental climate characterized by cold winters and warm summers. January temperatures can drop as low as -24°C (-11°F), while summer months like July and August see highs around 35°C (95°F). Precipitation varies throughout the year, peaking in May with 65 mm (2.5 in) and decreasing significantly in August. Sunshine is abundant in summer, with July receiving around 441 hours of sunlight, whereas December only has 79 hours. For more detailed climate information, visit Kyrykivka climate.
Lebedyn, Ukraine experiences a continental climate characterized by cold winters and warm summers. January temperatures can drop to as low as -25°C (-13°F), while July sees a maximum of 34°C (93°F). Precipitation varies throughout the year, peaking in May with 67 mm (2.7 in) and declining significantly in August. Sunshine hours are abundant from March to July, reaching a high of 442 hours in July, contributing to a vibrant growing season. For more detailed information, visit Lebedyn climate.
Lypova Dolyna, Ukraine, experiences a continental climate characterized by cold winters and warm summers. January temperatures can drop to a minimum of -26°C (-14°F) and reach an average of -4°C (26°F), while July sees milder conditions with averages around 21°C (70°F). Precipitation varies throughout the year, peaking in May at 66 mm (2.6 in) and dropping to its lowest in August with only 20 mm (0.8 in). The region enjoys a significant amount of sunshine during the summer months, particularly in July with 440 hours of sunshine, contrasting with only 83 hours in December. For more detailed information, visit Lypova Dolyna climate.
Mezenivka, Ukraine experiences a continental climate with cold winters and warm summers. In January, temperatures can drop as low as -25°C (-13°F), while July averages around 21°C (70°F). Precipitation varies throughout the year, peaking in July at 72 mm (2.9 in) and falling to about 20 mm (0.8 in) in August. The region enjoys the most sunshine in July with 437 hours, while January sees the least at 73 hours. For more detailed information, visit Mezenivka climate.
Nedryhailiv, Ukraine experiences a temperate continental climate with cold winters and warm summers. January temperatures range from a frigid -27°C to a mild 7°C, while July sees averages around 21°C, peaking at 33°C. Precipitation varies throughout the year, with May and July receiving the highest amounts at 71 mm, while August is notably drier at just 20 mm. Sunshine hours peak in July at 439 hours, contributing to the warm summers, while winter months see considerably less sunlight. For more detailed information, visit Nedryhailiv climate.
Nyzy, Ukraine experiences a continental climate characterized by cold winters and warm summers. January temperatures can drop to -26°C (-14°F), while July averages a comfortable 21°C (70°F), with peaks reaching up to 34°C (93°F). Precipitation varies throughout the year, with the wettest months being May and July, receiving around 64 mm (2.5 in) and 67 mm (2.6 in), respectively. Sunshine hours peak in July at 440 hours, providing ample daylight during the summer months. For more detailed information, visit Nyzy climate.
Okhtyrka, Ukraine experiences a continental climate with cold winters and warm summers. January sees temperatures ranging from -24°C to 7°C, while July climates can peak at 35°C. Annual precipitation is modest, with May being the wettest month at 65 mm, and August generally the driest at 18 mm. Sunshine hours peak during the summer months, reaching up to 441 hours in July. For more details, check the Okhtyrka climate.
Putyvl, Ukraine experiences a continental climate with cold winters and warm summers. January sees minimum temperatures plummeting to -25°C (-13°F) with significant snowfall, while July offers warmer conditions, reaching up to 32°C (90°F). Precipitation peaks in July at 86 mm (3.4 in), contributing to a lush atmosphere during the summer. The area enjoys the highest sunshine hours in July (435 hours), while January has the least at just 74 hours. For detailed climate information, visit Putyvl climate.
Romny, Ukraine experiences a diverse climate with sharp contrasts between winter and summer. January temperatures can plunge to a minimum of -26°C (-15°F), while July can reach a maximum of 34°C (94°F). The city receives the most precipitation during the summer months, particularly in July, which averages 77 mm (3.0 in). Sunshine hours peak in July at 437 hours, offering long, bright days compared to only 80 hours in January. For more detailed information, visit Romny climate.
Seredyna-Buda, Ukraine, experiences a continental climate with cold winters and warm summers. January temperatures can plunge to a minimum of -24°C (-10°F), while July sees a maximum of 32°C (89°F). Precipitation is notably highest in July, averaging 98 mm (3.8 in), contributing to the warm season's lushness. Sunshine hours peak in summer, especially in June and July, providing ample daylight. For more detailed information, visit Seredyna-Buda climate.
Shalyhyne, Ukraine experiences a continental climate characterized by cold winters and warm summers. January sees temperatures drop to a minimum of -24°C (-12°F), while July reaches maximums of up to 32°C (90°F). Precipitation varies throughout the year, peaking in July with 85 mm (3.4 in), and sunshine hours are highest in summer, particularly in July with 440 hours of sun. For more detailed information, visit Shalyhyne climate.
Shostka, Ukraine experiences a continental climate characterized by cold winters and warm summers. January temperatures can drop as low as -25°C (-13°F), while July peaks at around 32°C (90°F). Precipitation fluctuates throughout the year, with the wettest months being May and July, receiving 74 mm (2.9 in) and 89 mm (3.5 in) respectively. Sunshine hours are abundant in summer, reaching up to 437 hours in July, contrasting with the mere 70 hours in January. For more detailed information, visit Shostka climate.
The climate in Sloboda, Ukraine, is characterized by cold winters and warm summers. January temperatures can drop as low as -25°C (-12°F), while July sees averages around 20°C (69°F) and highs of 32°C (91°F). Precipitation is heaviest in July with 88 mm (3.5 in), contributing to a significant variation in weather throughout the year. Sunshine peaks in June and July, providing over 400 hours of sunlight each month, compared to the dreary 74 hours in January. For more detailed information, visit Sloboda climate.
Sumy, Ukraine experiences a diverse climate characterized by cold winters and warm summers. January temperatures can drop to a minimum of -27°C (-16°F), while July sees highs of up to 33°C (92°F). Precipitation varies throughout the year, with July receiving the most rainfall at 84 mm (3.3 in), and sunshine peaks during the summer months, particularly in July with 439 hours. Overall, Sumy's climate offers a mix of seasonal contrasts, making it an intriguing location to study weather patterns. For more detailed information, visit Sumy climate.
Terny, Ukraine experiences a continental climate with cold winters and warm summers. January temperatures can plunge to a minimum of -26°C (-15°F), while July sees averages around 21°C (69°F). Precipitation peaks in July at 86 mm (3.4 in) and is generally higher in the warmer months. Sunshine is abundant during summer, with July receiving 439 hours of sunlight, while winter months are considerably less sunny. For more details, visit Terny climate.
Trostianets, Ukraine experiences a continental climate with distinct seasons. Winters (December to February) are characterized by cold temperatures, averaging around -1°C (31°F) in December, with January seeing minimums as low as -25°C (-12°F) and notable snowfall, while precipitation varies from 42 mm to 69 mm. Summers (June to August) can be warm to hot, with July averaging 21°C (70°F) and maxima reaching up to 35°C (94°F), accompanied by moderate rainfall. The sun shines brightest in summer, peaking at 441 hours in July, while winter days have significantly less sunshine, with only 79 hours in December. For a more detailed overview, visit Trostianets climate.
Velyka Pysarivka, Ukraine, experiences a continental climate marked by cold winters and warm summers. January temperatures can plunge to -25°C (-13°F), while July sees highs of up to 35°C (95°F). Precipitation peaks in July with 69 mm (2.7 in), while May receives 64 mm (2.5 in), coinciding with a rise in sunshine hours that reach 439 in July. The region offers a mix of cold, cloudy winters and sunny, warm summers, making it a diverse climate throughout the year. For more details, visit Velyka Pysarivka climate.
Verkhnia Syrovatka, Ukraine experiences a continental climate characterized by cold winters and warm summers. January sees temperatures drop as low as -26°C (-14°F) with an average of -4°C (25°F), while July peaks at a warm 21°C (70°F). Precipitation is fairly consistent throughout the year, with July being the wettest month at 69 mm (2.7 in). The sunshine duration is at its highest in July with 440 hours, providing ample sunlight during the summer months. For more detailed information, visit Verkhnia Syrovatka climate.
The climate in Vorozhba, Ukraine is characterized by cold winters and warm summers. January temperatures can drop as low as -26°C (-14°F) while average summer highs in July reach up to 32°C (91°F). Precipitation is moderate throughout the year, peaking in July with 81 mm (3.2 in) of rainfall. The sunniest months are June and July, with over 400 hours of sunshine each. For more details, visit Vorozhba climate.
Yampil', Ukraine experiences a continental climate, with cold winters and warm summers. January temperatures can drop as low as -25°C (-12°F), while July sees averages around 20°C (68°F) and peaks up to 32°C (90°F). Precipitation is relatively consistent, peaking in July with 91 mm (3.6 in), while May also sees significant rainfall at 77 mm (3.0 in). Sunshine is abundant during the summer months, with July receiving the most at 429 hours, whereas January has the least at just 65 hours. For more details, check out the Yampil' climate.
In conclusion, the climatic characteristics of Sumy, Ukraine, offer a fascinating glimpse into the region's distinct seasonal variations, encompassing temperature, precipitation, sunshine duration, UV Index, and daylight hours. The transition from harsh winters with minimal daylight to vibrant summers filled with extended hours of sunshine illustrates the dynamic nature of this humid continental climate. The pronounced differences in UV exposure and rainfall throughout the year further underscore the importance of adapting lifestyle choices to accommodate seasonal changes. By understanding these trends, residents and visitors can make informed decisions regarding outdoor activities, skin protection, and agricultural practices, ultimately enriching their experience of this unique landscape.