Grande Prairie weather in August 2025

Expect 21°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Grande Prairie in August. Check more long-term weather averages for Grande Prairie in August before you book your next holiday to Alberta in 2025/2026.

  • 21°C maximum daytime temperature in August in Grande Prairie21
    21°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in August in Grande Prairie11
    11 days with some rainfall
  • 8°C minimum night-time temperature in August in Grande Prairie8
    8°C min night temperature
  • 15 hours of daylight per day in August in Grande Prairie15
    15 hours of daylight per day
  • No heat & humidity in August in Grande Prairie0
    No heat & humidity
  • 64 mm monthly rainfall in August in Grande Prairie64
    64 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Grande Prairie5
    5 (Moderate) UV index

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The August weather guide for Alberta (Grande Prairie) 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 hot is it in Grande Prairie in August?

Daytime temperatures usually reach 21°C in Grande Prairie in August, falling to 8°C at night.

How sunny is it in Grande Prairie in August?

There are normally 8 hours of bright sunshine each day in Grande Prairie in August - that's 56% of daylight hours.

Does it rain in Grande Prairie in August?

There are usually 11 days with some rain in Grande Prairie in August and the average monthly rainfall is 64mm.

Grande Prairie August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:04 20:58
Saturday, 16th August 2025 05:32 20:25
Sunday, 31st August 2025 06:00 19:49

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