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

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

Climate overview of Zweisimmen

Zweisimmen, Canton of Bern, Switzerland, experiences significant temperature variation throughout the year. Summers bring daytime highs of 21°C (70°F) in July, while winters cool to 0°C (32°F) in January.

With around 1909 mm (75 in) of annual rain/snowfall, Zweisimmen 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. Sunshine peaks in July, when the city sees around 9.0 hours of sunshine per day.

Zweisimmen Weather by Month

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

Monthly Temperature in Zweisimmen

Depending on the time of the year, temperatures range from pleasant to very cold in Zweisimmen. Average daytime temperatures reach a pleasant 21°C (70°F) in July. In January, the coolest month of the year, temperatures drop to a very cold 0°C (32°F).

At night, temperatures range from around 9°C (48°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 Zweisimmen

Zweisimmen has a relatively rain/snowy climate with high precipitation levels, averaging 1909 mm (75 in) of rain/snowfall annually. Despite minor fluctuations, Zweisimmen enjoys fairly consistent precipitation throughout the year. In July, you can expect around 207 mm (8.1 in) of precipitation, while in October, Zweisimmen receives about 126 mm (5 in). For more details, please visit our Zweisimmen Precipitation page.

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

Sunshine Hours in Zweisimmen

Zweisimmen can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.3 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Sion, Switzerland (37 KM, 23 Miles).

Daily hours of sunshine

Data from: Sion, Switzerland (37 KM, 23 Miles).

Humidity in Zweisimmen by Month

Best Time to Visit Zweisimmen

The most favourable weather available in Zweisimmen usually occurs in August. Conditions are generally most challenging in January, February, March, April, May, June, 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: August
  • 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 Zweisimmen

What is the best time to visit Zweisimmen?

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

What temperatures can I expect in Zweisimmen?

Daytime highs range from 0°C (32°F) in January to 21°C (70°F) in July. Nighttime lows range from -9°C (16°F) to 9°C (48°F). Temperatures vary considerably through the year.

How much rain does Zweisimmen get?

Annual rainfall is around 1909 mm (75 in). July is the wettest month with 207 mm (8.1 in), while October is the driest with 126 mm (5 in).

How sunny is Zweisimmen?

Zweisimmen receives around 2,171 hours of sunshine per year. July is the sunniest month with 270 hours, while December is the cloudiest with just 70 hours. Overall, Zweisimmen enjoys abundant sunshine.

Zweisimmen 3-Day Forecast

Zweisimmen on the map

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