Whistler weather in August 2025

Expect 17°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Whistler in August. Check more long-term weather averages for Whistler in August before you book your next holiday to British Columbia in 2025/2026.

  • 17°C maximum daytime temperature in August in Whistler17
    17°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in August in Whistler9
    9 days with some rainfall
  • 7°C minimum night-time temperature in August in Whistler7
    7°C min night temperature
  • 14 hours of daylight per day in August in Whistler14
    14 hours of daylight per day
  • No heat & humidity in August in Whistler0
    No heat & humidity
  • 66 mm monthly rainfall in August in Whistler66
    66 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Whistler6
    6 (High) UV index

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The August weather guide for British Columbia (Whistler) 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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How warm is it in Whistler in August?

Daytime temperatures usually reach 17°C in Whistler in August, falling to 7°C at night.

How sunny is it in Whistler in August?

There are normally 7 hours of bright sunshine each day in Whistler in August - that's 51% of daylight hours.

Does it rain in Whistler in August?

There are usually 9 days with some rain in Whistler in August and the average monthly rainfall is 66mm.

Whistler August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:41 19:54
Saturday, 16th August 2025 05:03 19:28
Sunday, 31st August 2025 05:26 18:57

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