Calgary weather in May 2025

Expect daytime maximum temperatures of 61°F in Calgary, Alberta in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 2.2 inches of rainfall in the month.

  • 61°F maximum daytime temperature in May in Calgary61
    61°F max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in May in Calgary10
    10 days with some rainfall
  • 37°F minimum night-time temperature in May in Calgary37
    37°F min night temperature
  • 16 hours of daylight per day in May in Calgary16
    16 hours of daylight per day
  • No heat & humidity in May in Calgary0
    No heat & humidity
  • 2.2 inches monthly rainfall in May in Calgary2.2
    2.2 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Calgary6
    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.

Metric (°C)  |  Imperial (°F)

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How warm is it in Calgary in May?

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

How sunny is it in Calgary in May?

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

Does it rain in Calgary in May?

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

Calgary May sunrise & sunset times

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

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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