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St Gallen weather in August 2025
Expect 21°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in St Gallen in August. Check more long-term weather averages for St Gallen in August before you book your next holiday to Switzerland in 2025/2026.
- 2121°C max day temperature
- 7 hours of sunshine per day
- 1818 days with some rainfall
- 1212°C min night temperature
- 1414 hours of daylight per day
- 0No heat & humidity
- 128128 mm of monthly rainfall
- 77 (High) UV index
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Recommended for Switzerland
The August weather guide for Switzerland (St Gallen) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Switzerland
How hot is it in St Gallen in August?
Daytime temperatures usually reach 21°C in St Gallen in August, falling to 12°C at night.
How sunny is it in St Gallen in August?
There are normally 7 hours of bright sunshine each day in St Gallen in August - that's 47% of daylight hours.
Does it rain in St Gallen in August?
There are usually 18 days with some rain in St Gallen in August and the average monthly rainfall is 128mm.
St Gallen August sunrise & sunset times
Browse the sunrise and sunset times for St Gallen in August 2025. Select a month to view St Gallen sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 05:01 | 19:56 |
Saturday, 16th August 2025 | 05:20 | 19:32 |
Sunday, 31st August 2025 | 05:40 | 19:04 |
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