Črnomelj Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Črnomelj.
Climate overview of Črnomelj
Črnomelj, Dolenjska (Lower Carniola), Slovenia, sees big temperature differences between seasons, with July peaking at 27°C (81°F) and January dropping to 5°C (41°F).
Rain/snowfall is high, totalling around 1285 mm (51 in) per year. September is the wettest month and January the driest. The most sunshine falls in July, with an average of 9.3 hours of daily sunshine.
Črnomelj Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Črnomelj — and find the best time to visit.
Monthly Temperature in Črnomelj
Visitors to Črnomelj can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 27°C (81°F) in July, the warmest time of the year, to a chilly 5°C (41°F) during cooler months like January.
At night, you can expect temperatures ranging from 15°C (59°F) in July to around -3°C (27°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Črnomelj
Črnomelj is known for its substantial rain/snowfall, with annual precipitation reaching 1285 mm (51 in). While rainfall varies throughout the year, each season offers its own charm. September brings wetter days averaging 130 mm (5.1 in) of precipitation, spread over 13 rainy days.
In contrast, the driest month January experiences a drier climate, with about 76 mm (3 in) of snow/rainfall spread across 13 snowy/rainy days. For more details, please visit our Črnomelj Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Črnomelj
Seasonal changes in sunshine hours are quite dramatic in Črnomelj. While July receives considerable daily sunshine with up to 9.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Črnomelj by Month
The relative humidity is high throughout the year in Črnomelj.
The city experiences its highest humidity in December, reaching 84%. In April, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Črnomelj
The weather does bring rainfall during this period, between 108 mm (4.3 in) and 130 mm (5.1 in). Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Črnomelj
What is the best time to visit Črnomelj?
May, June, July, August and September typically offer the most optimal weather in Črnomelj. In contrast, January, February, November and December tend to have less optimal conditions.
What temperatures can I expect in Črnomelj?
Daytime highs range from 5°C (41°F) in January to 27°C (81°F) in July. Nighttime lows range from -3°C (27°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Črnomelj get?
Annual rainfall is around 1285 mm (51 in). September is the wettest month with 130 mm (5.1 in), while January is the driest with 76 mm (3 in).
How sunny is Črnomelj?
Črnomelj receives around 1,908 hours of sunshine per year. July is the sunniest month with 280 hours, while December is the cloudiest with just 51 hours.
Črnomelj 3-Day Forecast
Črnomelj 3-Day Forecast
Črnomelj on the map
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Popular this month
Where to go in July — average daytime high across popular destinations.
Piran
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24°C (75°F) Bovec24°C (75°F) Kranjska Gora
23°C (73°F) Bohinj24°C (75°F) 
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