Grindelwald Weather in August
What's the weather like in Grindelwald (Bern) in August 2025?
The climate in Grindelwald during August can be summarized as cool and wet.
August is in the summer in Grindelwald and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 8°C (46°F), whilst at night 2°C (36°F) is normal.
| Daytime temperature | 7.8°C 46°F |
|---|---|
| Nightly temperature | 2.2°C 36°F |
| Average temperature | 5°C 41°F |
| Daily sunshine | 6.6 hrs |
| Avg rainfall | 192 mm 7.6 ins |
| Rainy days | 20 days |
| Sea temperature | 23.5°C 74.4°F |
| Humidity | 77% |
| Windspeed | 14kph 9 mph |
On average August is the wettest month of the year in Grindelwald with around 192mm 7.6 inches of rain making it a wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.6 hours of sunshine per day.
August temperatures in Grindelwald
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Grindelwald in August 2025.
Other monthly averages
Best places to visit in August
Grindelwald weather stats
| Hottest month: | July | 8.1°C 46.6°F |
|---|---|---|
| Driest month: | February | 124mm 4.9ins |
| Sunniest month: | October | 5.9hrs |
| Coldest month: | January | -6.2°C 20.8°F |
| Wettest month: | August | 192mm 7.6ins |
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