Zermatt weather in August 2025

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

  • 9°C maximum daytime temperature in August in Zermatt9
    9°C max day temperature
  • 7 hours of sunshine per day
  • 19 days with some rainfall in August in Zermatt19
    19 days with some rainfall
  • 3°C minimum night-time temperature in August in Zermatt3
    3°C min night temperature
  • 14 hours of daylight per day in August in Zermatt14
    14 hours of daylight per day
  • No heat & humidity in August in Zermatt0
    No heat & humidity
  • 173 mm monthly rainfall in August in Zermatt173
    173 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Zermatt8
    8 (Very High) UV index

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The August weather guide for Switzerland (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 Zermatt in August?

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

How sunny is it in Zermatt in August?

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

Does it rain in Zermatt in August?

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

Zermatt August sunrise & sunset times

Browse the sunrise and sunset times for Zermatt in August 2025. Select a month to view Zermatt 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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