Switzerland weather in August
What is the weather like in Switzerland in August?
The weather conditions in Switzerland in August range from unpleasant to perfect depending on the destination. It is a summer month.
During August in Switzerland, the average maximum temperature ranges from low in Säntis (the highest mountain in the Alpstein massif) with 10°C (49°F) to high in Lucarno with 27°C (81°F). Minimum nighttime temperatures generally drop to 18°C (64°F) in Lucarno and 4°C (39°F) in Säntis (the highest mountain in the Alpstein massif).
Precipitation in August ranges from moderate in Sion with an average of 59mm (2.3inch) rainfall to heavy in Säntis (the highest mountain in the Alpstein massif) with 266mm (10inch).
It is the wettest month of the year in Zermatt.
It is also generally a
moderately sunny
period with an average of 187 hours of sunshine in Zermatt during the entire month.
We invite you to have a look at the map below to find out more about the different weather conditions per location in Switzerland.
Where to go in Switzerland in August





Popular destinations in Switzerland
What is the weather like in August for the 5 most popular destinations in Switzerland?
Average weather in Zermatt
In August Zermatt generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 7°C (44°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.
Average weather in Grindelwald
In August Grindelwald generally has high temperatures with maximum daytime temperatures around 24°C (74°F), minimum nighttime temperatures around 14°C (56°F) and high monthly rainfall. So on average the conditions are pleasant that month.
Average weather in Nendaz
In August Nendaz generally has high temperatures with maximum daytime temperatures around 27°C (80°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.
Average weather in Zürich
In August Zürich generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 14°C (58°F) and high monthly rainfall. So on average the conditions are pleasant that month.
Average weather in Davos
In August Davos generally has pleasant temperatures with maximum daytime temperatures around 18°C (65°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are tolerable that month.
Is your destination not in the list? Have a look at other destinations in Switzerland.
Is August the best time to go to Switzerland?
In our opinion August is one of the best times to visit Switzerland with commonly pleasant weather in Zermatt. However, the weather conditions may vary depending on your destination.
On average the best time to visit Switzerland is in July and August with generally pleasant weather in Zermatt.
The worst months are January, February, March, April, November and December that can have poor weather conditions.
Interested in more climate information?
We have much more information about the climate in Switzerland.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for almost all countries in the world. Are you going to Switzerland? Get detailed historical weather averages for many cities in Switzerland.
Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.