Sarnen Weather in August

August in Sarnen sees daytime temperatures around 20°C (68°F) and lows of 11°C (52°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.

Rainfall in Sarnen in August

As part of the rainy season, Sarnen sees around 18 days of rain in August, with an average of 231 mm (9.1 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Sarnen in August

Daytime temperatures in Sarnen reach 20°C (68°F) in August, dropping to 11°C (52°F) at night. Experience the summer season in August. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Sarnen in August

With about 158 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

If your ideal day consists of dry skies and pleasant temperatures, July, August and September typically offer the best circumstances for Sarnen.

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• January
• February
• March
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• May
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• August

• September
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• December

For a detailed overview over the year and the best time to visit Switzerland, check out our Sarnen's climate page.

Sarnen Temperature in August

Min Temperature 11°C (52°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 60%  

Precipitation 231 mm (9.1 in)  

Rainy days 18 days  

Humidity 76% *  

Sunshine 158 hours *  

Percentage Sunshine 52% *  

* Data from: Altdorf, Switzerland (29 KM, 18 Miles).

What to Wear in Sarnen in August

Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Sarnen in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Camping

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our Sarnen's climate page.

More climate data for Sarnen

Temperature Rainfall Sunshine Humidity

See the full Sarnen climate overview or explore weather in Switzerland.