Interlaken weather in August 2025

Expect 18°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Interlaken in August. Check more long-term weather averages for Interlaken in August before you book your next holiday to Switzerland in 2025/2026.

  • 18°C maximum daytime temperature in August in Interlaken18
    18°C max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in August in Interlaken18
    18 days with some rainfall
  • 9°C minimum night-time temperature in August in Interlaken9
    9°C min night temperature
  • 14 hours of daylight per day in August in Interlaken14
    14 hours of daylight per day
  • No heat & humidity in August in Interlaken0
    No heat & humidity
  • 153 mm monthly rainfall in August in Interlaken153
    153 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Interlaken7
    7 (High) UV index

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  • Book a Park Stay & Go package with Holiday Inn
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The August 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 hot is it in Interlaken in August?

Daytime temperatures usually reach 18°C in Interlaken in August, falling to 9°C at night.

How sunny is it in Interlaken in August?

There are normally 6 hours of bright sunshine each day in Interlaken in August - that's 45% of daylight hours.

Does it rain in Interlaken in August?

There are usually 18 days with some rain in Interlaken in August and the average monthly rainfall is 153mm.

Interlaken August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:09 20:00
Saturday, 16th August 2025 05:28 19:37
Sunday, 31st August 2025 05:47 19:10

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