Alberta weather in May 2025

Expect 61°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Alberta in May. Check more long-term weather averages for Alberta in May before you book your next holiday to Alberta in 2025/2026.

  • 61°F maximum daytime temperature in May in Alberta (Calgary)61
    61°F max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in May in Alberta (Calgary)10
    10 days with some rainfall
  • 37°F minimum night-time temperature in May in Alberta (Calgary)37
    37°F min night temperature
  • 16 hours of daylight per day in May in Alberta (Calgary)16
    16 hours of daylight per day
  • No heat & humidity in May in Alberta (Calgary)0
    No heat & humidity
  • 2.2 inches monthly rainfall in May in Alberta (Calgary)2.2
    2.2 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Alberta (Calgary)6
    6 (High) UV index

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The May 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 May. Select a holiday destination to see more weather parameters.

All Alberta destinations

Metric (°C)  |  Imperial (°F)

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More about Canada

How warm is it in Alberta in May?

Daytime temperatures usually reach 61°F in Calgary, Alberta in May, falling to 37°F at night.

How sunny is it in Alberta in May?

There are normally 8 hours of bright sunshine each day in Calgary, Alberta in May - that's 52% of daylight hours.

Does it rain in Alberta in May?

There are usually 10 days with some rain in Calgary, Alberta in May and the average monthly rainfall is 2.2 inches.

Alberta May sunrise & sunset times

Browse the sunrise and sunset times for Alberta in May 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
Thursday, 1st May 2025 05:09 19:59
Friday, 16th May 2025 04:44 20:22
Saturday, 31st May 2025 04:28 20:41

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