Swiss Alps weather in August 2025

Expect 9°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Swiss Alps in August. Check more long-term weather averages for Swiss Alps in August before you book your next holiday to Swiss Alps in 2025/2026.

  • 9°C maximum daytime temperature in August in Swiss Alps (Zermatt)9
    9°C max day temperature
  • 7 hours of sunshine per day
  • 19 days with some rainfall in August in Swiss Alps (Zermatt)19
    19 days with some rainfall
  • 3°C minimum night-time temperature in August in Swiss Alps (Zermatt)3
    3°C min night temperature
  • 14 hours of daylight per day in August in Swiss Alps (Zermatt)14
    14 hours of daylight per day
  • No heat & humidity in August in Swiss Alps (Zermatt)0
    No heat & humidity
  • 173 mm monthly rainfall in August in Swiss Alps (Zermatt)173
    173 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Swiss Alps (Zermatt)8
    8 (Very High) UV index

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The August weather guide for Swiss Alps (Zermatt) 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)

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More about Switzerland

How warm is it in the Swiss Alps in August?

Daytime temperatures usually reach 9°C in Zermatt, Swiss Alps in August, falling to 3°C at night.

How sunny is it in the Swiss Alps in August?

There are normally 7 hours of bright sunshine each day in Zermatt, Swiss Alps in August - that's 46% of daylight hours.

Does it rain in the Swiss Alps in August?

There are usually 19 days with some rain in Zermatt, Swiss Alps in August and the average monthly rainfall is 173mm.

Swiss Alps August sunrise & sunset times

Browse the sunrise and sunset times for Swiss Alps in August 2025. Select a month to view Swiss Alps sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:11 19:58
Saturday, 16th August 2025 05:30 19:36
Sunday, 31st August 2025 05:49 19:09

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