Last updated: January 18, 2025
The climate of Hrastnik, Slovenia, is classified under the Köppen-Geiger system as Cfb, indicating a temperate maritime climate characterized by mild temperatures and adequate rainfall throughout the year. With winter minimums plunging to -18°C (0°F) in January, and summer highs soaring to 35°C (96°F) in August, the region experiences a significant temperature range. The average annual temperature hovers around 11°C (51°F), contributing to the area’s vibrant ecosystems and diverse agricultural practices.
In Hrastnik, Slovenia, temperature patterns exhibit a distinct seasonal variation, characterized by cold winters and warm summers. January serves as the coldest month, with minimum temperatures dropping to -18°C (0°F), while the year begins with an average of 0°C (32°F). As winter progresses, February and March see gradual increases, with averages reaching 3°C (38°F) and 6°C (42°F), respectively. The onset of spring in April brings a marked warming trend, culminating in May's pleasant averages of 14°C (58°F). The summer months, particularly June, July, and August, showcase the peak temperatures, often exceeding 30°C (86°F), with August hitting a maximum of 35°C (96°F). As the season transitions back to autumn, temperatures begin to drop again, with November averaging 6°C (43°F) before the chill returns in December, with minimums again plummeting to -17°C (2°F). This cyclical pattern underscores Hrastnik's transition from harsh winters to warm, vibrant summers.
Hrastnik and Dol pri Hrastniku experience similar temperature ranges throughout the year, with both locations recording a minimum of -18°C (0°F) in January and a maximum of 35°C (96°F) in August. For more detailed information on the monthly temperatures, you can visit monthly temperatures in Hrastnik and monthly temperatures in Dol pri Hrastniku.
In Hrastnik, Slovenia, precipitation patterns reveal a notable seasonal rhythm, with monthly averages exhibiting a significant rise during the warmer months. January marks the beginning of the year with relatively low rainfall at 39 mm (1.5 in), and the trend gradually increases throughout winter, peaking in May when it reaches 150 mm (5.9 in). April also experiences heightened precipitation, accumulating 94 mm (3.7 in), highlighting the transition from winter to spring. The summer months, particularly July, see considerable rainfall as well, with 132 mm (5.2 in) recorded. This trend underscores the region's moist climate, which is particularly pronounced during late spring and summer months.
The frequency of rainy days in Hrastnik complements the precipitation data, showcasing an increased likelihood of rainfall as the year progresses. Starting from 6 days in January, the number of rainy days rises steadily, culminating in 19 days in May. The summer months maintain a moderate number of rainy days, with July and August seeing 15 and 14 days respectively. However, as autumn approaches, rainfall becomes more sporadic, with October and November experiencing around 9 to 10 days of rain. This pattern not only influences local agriculture and ecosystems but also highlights Hrastnik's climatic character as a region with substantial moisture during specific times of the year.
In Hrastnik, Slovenia, sunshine duration exhibits a clear seasonal progression, with a notable increase in hours from the depths of winter to the peak of summer. January starts with a modest 170 hours of sunshine, gradually increasing through the following months. February sees a slight rise to 210 hours, but it is March that marks a significant upward trend with 299 hours. This pattern continues into April and May, where longer daylight hours coincide with blooming flora, reaching 329 hours and 352 hours respectively, setting the stage for the sunniest months of the year.
The apex of sunshine duration occurs during the summer, with July shining bright at 414 hours. Although August remains sunny with 380 hours, a slight decline signals the approaching autumn. The transition back into shorter days is evident in September and October, where sunshine drops to 306 hours and 272 hours. As winter returns, Hrastnik experiences a decrease in sunshine, culminating in November's 187 hours and December's 199 hours. This cyclical trend not only enhances the region’s natural beauty but also plays a crucial role in local biodiversity and agricultural activities throughout the year.
The UV Index in Hrastnik, Slovenia, demonstrates a marked seasonal variation, reflecting changes in sunlight intensity throughout the year. Beginning with winter months, January and December possess a low UV Index of 2, allowing for longer exposure times without immediate risk of skin damage—up to 45 minutes. As February arrives, the Index rises to 3, indicating a moderate level of UV radiation, which continues through March with a value of 5. Notably, April sees an increase to 6, corresponding to the onset of spring and emphasizing the need for sun protection as burn time decreases to 25 minutes.
The summer months present the highest UV Index levels, with both June and July reaching 9, classified as very high, resulting in a burn time of just 15 minutes. Although the Index slightly drops to 8 in August, the need for protective measures remains crucial during this period. As autumn rolls in, the UV Index declines, with September and October showing values of 6 and 4, respectively. By November, the Index returns to a moderate level of 3, signaling the approach of winter with initially lower sun exposure risks. Understanding these seasonal variations is essential for residents and visitors in Hrastnik to ensure adequate sun protection throughout the year.
UV Risk Categories
In Hrastnik, Slovenia, the duration of daylight reflects a definitive seasonal cycle, beginning with the limited light of winter months. January provides only 9 hours of daylight, gradually increasing to 10 hours in February. As spring approaches, the length of day expands noticeably, reaching 11 hours in March and 13 hours in April. This trend continues into May, where daylight extends to 14 hours, allowing residents to enjoy longer evenings as nature awakens from its winter slumber.
The peak of daylight occurs during the summer months, with June and July both offering 15 hours of light, providing ample opportunities for outdoor activities and exploration. As summer wanes, daylight hours begin to decline, dropping to 14 hours in August and tapering to 12 hours by September. The transition back into autumn is marked by a reduction to 10 hours in October, with daylight gradually diminishing to 9 hours in November and falling to just 8 hours in December. This cyclical pattern not only impacts daily life but also plays a significant role in the region's ecological and agricultural cycles.
Dol pri Hrastniku, Slovenia, experiences a continental climate characterized by cold winters and warm summers. January sees temperatures ranging from -18°C to 12°C, while July boasts highs up to 33°C. Precipitation peaks in May at 150 mm, contributing to lush landscapes during the warmer months. The region enjoys considerable sunshine, especially in summer, with July having 414 hours of sunlight. For more detailed information, check the Dol pri Hrastniku climate.
Hrastnik, Slovenia experiences a temperate climate with cold winters and warm summers. Winter months like January and February showcase average temperatures around 0°C (32°F) to 3°C (38°F) while receiving significant precipitation, peaking at 150 mm (5.9 in) in May. The summer months of June and July bring warmer conditions, with averages reaching up to 21°C (69°F) and 33°C (91°F), accompanied by ample sunshine—up to 414 hours in July. For more detailed climate information, visit Hrastnik climate.
In conclusion, the climate and environmental factors in Hrastnik, Slovenia, reveal a dynamic interplay of seasonal variations that greatly influence both daily life and the natural ecosystem. From the mild temperatures and significant precipitation during the warmer months to the lengthening daylight hours appreciated in spring and summer, each season brings unique opportunities and challenges. The variations in the UV Index highlight the importance of sun safety as residents enjoy outdoor activities amidst prolonged periods of sunlight. Understanding these climatic patterns is essential not only for the local community but also for visitors, allowing them to engage responsibly with the natural beauty and seasonal richness that Hrastnik has to offer throughout the year.