Schwellbrunn Weather & Climate: Best Time to Visit

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

Climate overview of Schwellbrunn

Schwellbrunn, Appenzell Ausserrhoden, Switzerland, experiences significant temperature variation throughout the year. Summers bring daytime highs of 23°C (73°F) in July, while winters cool to 3°C (37°F) in January.

With around 1895 mm (75 in) of annual rain/snowfall, Schwellbrunn 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 warm summers and cold winters. The wettest month is June. The most sunshine falls in July, with an average of 7.6 hours of daily sunshine.

Schwellbrunn Weather by Month

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

Monthly Temperature in Schwellbrunn

Depending on the time of the year, temperatures range from comfortable to chilly in Schwellbrunn. Average daytime temperatures reach a comfortable 23°C (73°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 3°C (37°F).

At night, temperatures range from around 13°C (55°F) in July to -4°C (25°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Schwellbrunn

Schwellbrunn has a relatively rain/snowy climate with high precipitation levels, averaging 1895 mm (75 in) of rain/snowfall annually. Schwellbrunn experiences moderate seasonal variation in rainfall, with monthly averages ranging from 231 mm (9.1 in) in June, the wettest month, and 111 mm (4.4 in) in January, the driest month. For more details, please visit our Schwellbrunn Precipitation page.

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

Sunshine Hours in Schwellbrunn

Schwellbrunn can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.6 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: St. Gallen, Switzerland (12 KM, 7 Miles).

Daily hours of sunshine

Data from: St. Gallen, Switzerland (12 KM, 7 Miles).

Humidity in Schwellbrunn by Month

Best Time to Visit Schwellbrunn

For the most comfortable conditions available during the year, consider visiting Schwellbrunn in September. Conditions are usually least comfortable in January, February, March, April, 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 warm summers and cold winters
  • Coldest conditions: January, with freezing nights around -4°C (25°F).

Frequently asked questions about the climate in Schwellbrunn

What is the best time to visit Schwellbrunn?

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

What temperatures can I expect in Schwellbrunn?

Daytime highs range from 3°C (37°F) in January to 23°C (73°F) in July. Nighttime lows range from -4°C (25°F) to 13°C (55°F). Temperatures vary considerably through the year.

How much rain does Schwellbrunn get?

Annual rainfall is around 1895 mm (75 in). June is the wettest month with 231 mm (9.1 in), while January is the driest with 111 mm (4.4 in).

How sunny is Schwellbrunn?

Schwellbrunn receives around 1,632 hours of sunshine per year. July is the sunniest month with 229 hours, while December is the cloudiest with just 48 hours.

Schwellbrunn 3-Day Forecast

Schwellbrunn 3-Day Forecast

Schwellbrunn on the map

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