Swiss Alps weather in May 2025

Expect 3°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Swiss Alps in May. Check more long-term weather averages for Swiss Alps in May before you book your next holiday to Swiss Alps in 2025/2026.

  • 3°C maximum daytime temperature in May in Swiss Alps (Zermatt)3
    3°C max day temperature
  • 6 hours of sunshine per day
  • 21 days with some rainfall in May in Swiss Alps (Zermatt)21
    21 days with some rainfall
  • -3°C minimum night-time temperature in May in Swiss Alps (Zermatt)-3
    -3°C min night temperature
  • 15 hours of daylight per day in May in Swiss Alps (Zermatt)15
    15 hours of daylight per day
  • No heat & humidity in May in Swiss Alps (Zermatt)0
    No heat & humidity
  • 150 mm monthly rainfall in May in Swiss Alps (Zermatt)150
    150 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Swiss Alps (Zermatt)8
    8 (Very High) UV index

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The May 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 cold is it in the Swiss Alps in May?

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

How sunny is it in the Swiss Alps in May?

There are normally 6 hours of bright sunshine each day in Zermatt, Swiss Alps in May - that's 39% of daylight hours.

Does it rain in the Swiss Alps in May?

There are usually 21 days with some rain in Zermatt, Swiss Alps in May and the average monthly rainfall is 150mm. Rain may fall as snow in this month.

Swiss Alps May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:16 19:37
Friday, 16th May 2025 04:56 19:56
Saturday, 31st May 2025 04:42 20:12

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