Interlaken weather in May 2025

Expect 12°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Interlaken in May. Check more long-term weather averages for Interlaken in May before you book your next holiday to Switzerland in 2025/2026.

  • 12°C maximum daytime temperature in May in Interlaken12
    12°C max day temperature
  • 5 hours of sunshine per day
  • 19 days with some rainfall in May in Interlaken19
    19 days with some rainfall
  • 4°C minimum night-time temperature in May in Interlaken4
    4°C min night temperature
  • 15 hours of daylight per day in May in Interlaken15
    15 hours of daylight per day
  • No heat & humidity in May in Interlaken0
    No heat & humidity
  • 119 mm monthly rainfall in May in Interlaken119
    119 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Interlaken7
    7 (High) UV index

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The May weather guide for Switzerland (Interlaken) 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 Interlaken in May?

Daytime temperatures usually reach 12°C in Interlaken in May, falling to 4°C at night.

How sunny is it in Interlaken in May?

There are normally 5 hours of bright sunshine each day in Interlaken in May - that's 35% of daylight hours.

Does it rain in Interlaken in May?

There are usually 19 days with some rain in Interlaken in May and the average monthly rainfall is 119mm.

Interlaken May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:14 19:39
Friday, 16th May 2025 04:53 19:58
Saturday, 31st May 2025 04:39 20:14

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