Cerknica Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Cerknica.

Climate overview of Cerknica

Cerknica, Notranjska, Slovenia, sees big temperature differences between seasons, with July peaking at 26°C (79°F) and January dropping to 5°C (41°F).

Rain/snowfall is high, totalling around 1551 mm (61 in) per year. September is the wettest month and January the driest. The city also experiences warm summers and cold winters. The most sunshine falls in July, with an average of 9.7 hours of daily sunshine.

Cerknica Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Cerknica - and find the best time to visit.

Monthly Temperature in Cerknica

Visitors to Cerknica can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 26°C (79°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 Cerknica

Cerknica is known for its substantial rain/snowfall, with annual precipitation reaching 1551 mm (61 in). While rainfall varies throughout the year, each season offers its own charm. September brings wetter days averaging 168 mm (6.6 in) of precipitation, spread over 13 rainy days.

In contrast, the driest month January experiences a drier climate, with about 83 mm (3.3 in) of snow/rainfall spread across 14 snowy/rainy days. For more details, please visit our Cerknica Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Cerknica

Seasonal changes in sunshine hours are quite dramatic in Cerknica. While July receives considerable daily sunshine with up to 9.7 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.9 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Ljubljana, Slovenia (31 KM, 19 Miles).

Daily hours of sunshine

Data from: Ljubljana, Slovenia (31 KM, 19 Miles).

Humidity in Cerknica by Month

Best Time to Visit Cerknica

For comfortable weather, consider visiting Cerknica in May, June, July, August and September. Conditions are usually least favourable in January, February, March, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: May, June, July, August and September
  • Warmest weather: July and August
  • Most sunshine: July
  • Seasonal pattern: Warm summers and cold winters
  • Coldest conditions: January, with freezing nights around -3°C (27°F).

Frequently asked questions about the climate in Cerknica

What is the best time to visit Cerknica?

May, June, July, August and September typically offer the most optimal weather in Cerknica. In contrast, January, February, March, November and December tend to have less optimal conditions. Cerknica has warm summers and cold winters.

What temperatures can I expect in Cerknica?

Daytime highs range from 5°C (41°F) in January to 26°C (79°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 Cerknica get?

Annual rainfall is around 1551 mm (61 in). September is the wettest month with 168 mm (6.6 in), while January is the driest with 83 mm (3.3 in).

How sunny is Cerknica?

Cerknica receives around 1,976 hours of sunshine per year. July is the sunniest month with 291 hours, while December is the cloudiest with just 57 hours.

Cerknica 3-Day Forecast

Cerknica 3-Day Forecast

Cerknica on the map

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