Banff weather in August 2025

Expect 18°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Banff in August. Check more long-term weather averages for Banff in August before you book your next holiday to Alberta in 2025/2026.

  • 18°C maximum daytime temperature in August in Banff18
    18°C max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in August in Banff12
    12 days with some rainfall
  • 3°C minimum night-time temperature in August in Banff3
    3°C min night temperature
  • 14 hours of daylight per day in August in Banff14
    14 hours of daylight per day
  • No heat & humidity in August in Banff0
    No heat & humidity
  • 65 mm monthly rainfall in August in Banff65
    65 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Banff7
    7 (High) UV index

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The August weather guide for Alberta (Banff) 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 Canada

How hot is it in Banff in August?

Daytime temperatures usually reach 18°C in Banff in August, falling to 3°C at night.

How sunny is it in Banff in August?

There are normally 7 hours of bright sunshine each day in Banff in August - that's 48% of daylight hours.

Does it rain in Banff in August?

There are usually 12 days with some rain in Banff in August and the average monthly rainfall is 65mm.

Banff August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:08 20:28
Saturday, 16th August 2025 05:31 20:01
Sunday, 31st August 2025 05:55 19:29

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