Wilderswil (BERN) Weather & Climate: Best Time to Visit

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

Climate overview of Wilderswil

The climate in Wilderswil, Canton of Bern, Switzerland, is marked by large temperature swings across the seasons, ranging from 18°C (64°F) in July to -2°C (28°F) in January.

With around 1938 mm (76 in) of annual rain/snowfall, Wilderswil has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has a distinct rainy season from May to August, with pleasant summers and very cold winters. The wettest month is July. July is the sunniest month, averaging 7.3 hours of sunshine per day.

Wilderswil Weather by Month

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

Monthly Temperature in Wilderswil

In Wilderswil, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a pleasant 18°C (64°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -2°C (28°F).

At night, temperatures range from around 8°C (46°F) in July to -9°C (16°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Wilderswil

Wilderswil experiences significant rain/snowfall throughout the year, averaging 1938 mm (76 in) of precipitation annually. Wilderswil experiences moderate seasonal variation in rainfall, with monthly averages ranging from 224 mm (8.8 in) in July, the wettest month, and 129 mm (5.1 in) in March, the driest month. For more details, please visit our Wilderswil Precipitation page.

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

Sunshine Hours in Wilderswil

Wilderswil can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, 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


Humidity in Wilderswil by Month

Best Time to Visit Wilderswil

The most favourable weather available in Wilderswil usually occurs in September. Conditions are generally most challenging in January, February, March, April, May, June, July, August, October, 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: September
  • Warmest weather: July and August
  • Most sunshine: July
  • Seasonal pattern: A distinct rainy season from May to August, with pleasant summers and very cold winters
  • Coldest conditions: January, with freezing nights around -9°C (16°F).

Frequently asked questions about the climate in Wilderswil

What is the best time to visit Wilderswil?

September typically offers the most optimal weather in Wilderswil. In contrast, January, February, March, April, May, June, July, August, October, November and December tend to have less optimal conditions. Wilderswil has a distinct rainy season from May to August, with pleasant summers and very cold winters.

What temperatures can I expect in Wilderswil?

Daytime highs range from -2°C (28°F) in January to 18°C (64°F) in July. Nighttime lows range from -9°C (16°F) to 8°C (46°F). Temperatures vary considerably through the year.

How much rain does Wilderswil get?

Annual rainfall is around 1938 mm (76 in). July is the wettest month with 224 mm (8.8 in), while March is the driest with 129 mm (5.1 in).

How sunny is Wilderswil?

Wilderswil receives around 1,580 hours of sunshine per year. July is the sunniest month with 219 hours, while December is the cloudiest with just 51 hours.

Wilderswil 3-Day Forecast

Wilderswil (BERN) 3-Day Forecast

Wilderswil on the map

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