Herisau Weather in August
What's the weather like in Herisau (Appenzell Ausserrhoden) in August 2024?
The climate in Herisau during August can be summarized as mild and wet.
August is in the summer in Herisau and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 12°C (54°F) is normal.
| Daytime temperature | 21.3°C 70.3°F |
|---|---|
| Nightly temperature | 12°C 53.5°F |
| Average temperature | 16.6°C 61.9°F |
| Daily sunshine | 7.2 hrs |
| Avg rainfall | 127 mm 5 ins |
| Rainy days | 18 days |
| Sea temperature | 23.1°C 73.6°F |
| Humidity | 74% |
| Windspeed | 6.5kph 4 mph |
On average August is the 3rd wettest month of the year in Herisau with around 127mm 5 inches of rain making it a wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 hours of sunshine per day.
August temperatures in Herisau
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 Herisau in August 2024.
Other monthly averages
Best places to visit in August
Herisau weather stats
| Hottest month: | July | 21.9°C 71.4°F |
|---|---|---|
| Driest month: | February | 60mm 2.4ins |
| Sunniest month: | July | 8hrs |
| Coldest month: | January | 1.6°C 34.9°F |
| Wettest month: | July | 130mm 5.1ins |
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