Jasper weather in August 2025

Expect daytime maximum temperatures of 20°C in Jasper, Alberta in August based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 62 mm of rainfall in the month.

  • 20°C maximum daytime temperature in August in Jasper20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in August in Jasper14
    14 days with some rainfall
  • 5°C minimum night-time temperature in August in Jasper5
    5°C min night temperature
  • 15 hours of daylight per day in August in Jasper15
    15 hours of daylight per day
  • No heat & humidity in August in Jasper0
    No heat & humidity
  • 62 mm monthly rainfall in August in Jasper62
    62 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Jasper6
    6 (High) UV index

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The August weather guide for Alberta (Jasper) 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 Jasper in August?

Daytime temperatures usually reach 20°C in Jasper in August, falling to 5°C at night.

How sunny is it in Jasper in August?

There are normally 7 hours of bright sunshine each day in Jasper in August - that's 50% of daylight hours.

Does it rain in Jasper in August?

There are usually 14 days with some rain in Jasper in August and the average monthly rainfall is 62mm.

Jasper August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:11 20:45
Saturday, 16th August 2025 05:36 20:16
Sunday, 31st August 2025 06:02 19:42

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