Črnomelj Climate

Last updated: January 18, 2025

Situated in southeastern Slovenia, Črnomelj experiences a temperate oceanic climate classified under the Köppen-Geiger system as Cfb. The region showcases a significant temperature range, with January lows plummeting to -20°C (-3°F) and August highs soaring to 39°C (102°F). With an average annual temperature around 11°C (53°F), Črnomelj's climate is characterized by distinct seasonal variations, contributing to its unique ecological landscape and influencing local agricultural practices.

Črnomelj temperature by month

In Črnomelj, Slovenia, seasonal temperature patterns reveal a significant transition throughout the year, characterized by cold winters and warm summers. January marks the peak of winter, with minimum temperatures dropping to -20°C (-3°F) and average temperatures hovering around 1°C (34°F). As spring approaches, temperatures gradually rise, peaking in April with averages of 11°C (51°F) and maximums reaching 27°C (82°F). By the time summer arrives in June and July, the region experiences marked warmth, with July averaging a balmy 21°C (71°F) and maximums soaring to 34°C (94°F). August continues this trend, peaking at 39°C (102°F) before the cooler autumn months begin to set in. Fall brings a steady decline in temperatures, with November witnessing averages of 7°C (45°F) while winter's chill re-emerges in December, concluding the cycle with minimums as low as -14°C (7°F). Overall, Črnomelj's climate alternates dramatically between seasons, showcasing both extremes and mild interludes that define its unique weather patterns.

Monthly Temperatures in Črnomelj, Slovenia

The chart illustrates Črnomelj's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
JanFebMarAprMayJunJulAugSepOctNovDec343943515968707161534537
Data source: Črnomelj temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

Lokve, Crnomelj, and Kanizarica all experience extreme temperature ranges, with minimum temperatures plummeting to -20°C (-3°F) in January and soaring to a high of 39°C (102°F) in August. For detailed monthly temperatures, you can explore Lokve's climate here, Crnomelj's climate here, and Kanizarica's climate here.

Precipitation Patterns in Črnomelj

Črnomelj, Slovenia, experiences a diverse precipitation pattern throughout the year, which is reflective of its temperate oceanic climate. The wettest months generally occur in late spring and early autumn, with May receiving 153 mm (6.0 in) of rain across roughly 18 days, making it the peak month for precipitation. This is followed by significant rainfall in September (138 mm or 5.4 in) and November (118 mm or 4.6 in), where the frequency of rainy days also increases, fostering lush vegetation and vibrant landscapes.

In contrast, the winter months display a slight reduction in both total rainfall and frequency, with January recording 62 mm (2.4 in) and February rising to 92 mm (3.6 in), both spread across about 10 days each. Notwithstanding the milder precipitation in winter, other months, particularly March and April with 67 mm (2.6 in) and 89 mm (3.5 in), respectively, continue to maintain a steady balance of moisture. Overall, the precipitation dynamics in Črnomelj emphasize a clear seasonal shift, with spring and autumn being notably wetter, contributing to the region's rich biodiversity and agricultural productivity.

Monthly Average Precipitation in Črnomelj, Slovenia

The average monthly precipitation in Črnomelj, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec629267891538310698138112118117
Data source: Črnomelj precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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Sunshine Duration in Črnomelj

In Črnomelj, Slovenia, the duration of sunshine exhibits a clear seasonal trend, showcasing a gradual increase from the cold winter months to the warm summer peak. January starts with a modest 167 hours of sunshine, gradually rising through February to 224 hours. As spring unfolds, sunshine hours significantly increase, with March providing 309 hours and April further enhancing this trend to 335 hours. May marks an important transition to summer, with sunshine reaching 366 hours—a harbinger of the brighter days ahead.

Summer solidifies its reputation as the sunniest season, with July achieving the peak sunshine duration at 425 hours. Even August remains robust with 392 hours, highlighting the region's consistent warmth and daylight. As autumn sets in, a noticeable decline occurs, with September reporting 323 hours of bright skies, followed by October and November, where sunshine drops to 290 hours and 198 hours, respectively. This seasonal shift emphasizes Črnomelj's transition from the vibrant, sun-soaked days of summer to the shorter, cooler periods of fall and winter, showcasing the dynamic interplay of light and weather throughout the year.

Monthly Sunshine in Črnomelj, Slovenia

Monthly sunshine duration represents the total hours of direct sunlight Črnomelj receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec167h224h309h335h366h405h425h392h323h290h198h207h
Data source: Črnomelj sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Črnomelj UV Index Trends

In Črnomelj, Slovenia, the UV Index illustrates a pronounced seasonal variation, reflecting the intensity of sun exposure throughout the year. During the winter months, specifically January and December, the UV Index remains relatively low at 2, indicating minimal risk of harm from unprotected sun exposure. February sees a slight increase to 3, classifying it as moderate, but the burn time remains manageable at 30 minutes. As spring arrives, the UV Index escalates, particularly in April when it reaches 6, entering the high exposure category, and indicates a reduced burn time of 25 minutes.

The summer months bring the highest intensity of UV radiation, peaking at 9 during June and July, where unprotected sun exposure can lead to skin damage in just 15 minutes. This high level persists into August before tapering off in September to 6, signifying the onset of fall with a corresponding increase in burn time to 25 minutes. As temperatures cool in October and November, the UV Index declines back to moderate levels. Overall, understanding the UV Index in Črnomelj is crucial for residents and visitors alike, as it underscores the need for appropriate sun protection strategies, particularly during the summer months when the risk is significantly heightened.

Monthly Maximum UV Index for Črnomelj, Slovenia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Črnomelj. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Črnomelj UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Daylight Hours in Črnomelj

In Črnomelj, Slovenia, daylight duration reveals a distinct seasonal pattern, reflecting the shifting sun positioning throughout the year. January begins with approximately 9 hours of daylight, gradually increasing to 10 hours in February. As spring approaches, the lengthening days become more pronounced, with daylight extending to 11 hours in March and jumping to 13 hours in April. By May, residents can enjoy about 14 hours of sunlight, leading into the peak of summer.

Summer continues to offer the most abundant daylight, with both June and July providing 15 hours of light, maximizing outdoor activities and sun exposure. As August arrives, daylight begins to taper off slightly to 14 hours, followed by a decrease in September to 12 hours. The autumn months witness a further decline, with October recording 10 hours and November reverting back to 9 hours. By December, daylight reaches its annual low at 8 hours, framing the cycle of light and darkness that characterizes Črnomelj's seasonal rhythm. This progression of daylight duration not only influences local lifestyle and activities but also highlights the importance of adapting to the changing light conditions throughout the year.

Average Monthly Daylight Hours in Črnomelj, Slovenia

This chart shows the total daylight hours Črnomelj receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec548h622h716h812h895h937h914h841h749h653h568h524h
Data source: Črnomelj daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Črnomelj's Popular Destinations

Crnomelj, Slovenia experiences a continental climate characterized by cold winters and warm summers. January temperatures range from -20°C to 15°C, while July sees highs reaching up to 34°C. Precipitation is highest in May at 153 mm, contributing to a varied annual total, with rainfall distributed fairly evenly throughout the year. Sunshine hours peak in July with 425 hours, providing ample sunlight during the summer months. For more detailed climate information, visit Crnomelj climate.

Kanizarica, Slovenia experiences a diverse climate with cold winters and warm summers. January temperatures range from a chilling -20°C to a mild 15°C, while July peaks at a scorching 39°C. The area sees the highest precipitation in May, averaging 153 mm, and abundant sunshine during the summer months, particularly in July with 425 hours. Overall, Kanizarica's climate is characterized by significant variation, making it a unique destination throughout the year. For more details, visit Kanizarica climate.

The climate in Lokve, Slovenia exhibits a diverse range of temperatures throughout the year, with January lows reaching -20°C and July highs peaking at 39°C. Precipitation is significant, particularly in May and September, averaging over 150 mm during those months. Sunshine hours are plentiful from late spring to summer, with June enjoying about 405 hours of sunshine. Conversely, winter months see shorter days and minimal warmth, making it a season for cold weather enthusiasts. For more detailed information, visit Lokve climate.

Conclusion

In conclusion, Črnomelj, Slovenia, presents a fascinating interplay of climatic elements that shape its environment throughout the year. With its temperate oceanic climate, the region experiences distinct seasonal variations in temperature, precipitation, sunshine duration, UV Index, and daylight hours. From the cold, restrained winters that gradually transition into warm, sunlit summers, each season brings unique characteristics and challenges. Understanding these climatic trends is essential for residents and visitors, promoting effective adaptation strategies ranging from sun protection measures to optimal planning for outdoor activities. Ultimately, Črnomelj’s climate not only enriches its ecological diversity but also profoundly influences the lifestyle and cultural practices of its community.

Discover the Climate of Črnomelj's Places

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