Alberta weather in August 2025

Expect 22°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Alberta in August. Check more long-term weather averages for Alberta in August before you book your next holiday to Alberta in 2025/2026.

  • 22°C maximum daytime temperature in August in Alberta (Calgary)22
    22°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in August in Alberta (Calgary)9
    9 days with some rainfall
  • 8°C minimum night-time temperature in August in Alberta (Calgary)8
    8°C min night temperature
  • 14 hours of daylight per day in August in Alberta (Calgary)14
    14 hours of daylight per day
  • No heat & humidity in August in Alberta (Calgary)0
    No heat & humidity
  • 48 mm monthly rainfall in August in Alberta (Calgary)48
    48 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Alberta (Calgary)6
    6 (High) UV index

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The August weather guide for Alberta (Calgary) 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.

Top Alberta destinations

Below are average maximum temperatures at popular countries, regions and places in Alberta in August. Select a holiday destination to see more weather parameters.

All Alberta destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Canada

How hot is it in Alberta in August?

Daytime temperatures usually reach 22°C in Calgary, Alberta in August, falling to 8°C at night.

How sunny is it in Alberta in August?

There are normally 9 hours of bright sunshine each day in Calgary, Alberta in August - that's 62% of daylight hours.

Does it rain in Alberta in August?

There are usually 9 days with some rain in Calgary, Alberta in August and the average monthly rainfall is 48mm.

Alberta August sunrise & sunset times

Browse the sunrise and sunset times for Alberta in August 2025. Select a month to view Alberta sunrise and sunset times for the next 12 months. The Alberta sunrise and sunset times shown below are for Calgary.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:02 20:22
Saturday, 16th August 2025 05:25 19:54
Sunday, 31st August 2025 05:49 19:23

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