Windsor weather in May 2025

Expect 68°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Windsor in May. Check more long-term weather averages for Windsor in May before you book your next holiday to Ontario in 2025/2026.

  • 68°F maximum daytime temperature in May in Windsor68
    68°F max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in May in Windsor11
    11 days with some rainfall
  • 48°F minimum night-time temperature in May in Windsor48
    48°F min night temperature
  • 15 hours of daylight per day in May in Windsor15
    15 hours of daylight per day
  • No heat & humidity in May in Windsor0
    No heat & humidity
  • 2.9 inches monthly rainfall in May in Windsor2.9
    2.9 inches of monthly rainfall
  • UV (maximum) index 7 (High) in May in Windsor7
    7 (High) UV index
  • 48°F sea temperature in May in Windsor48
    48°F sea temperature

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The May weather guide for Ontario (Windsor) 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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More about Canada

How hot is it in Windsor in May?

Daytime temperatures usually reach 68°F in Windsor in May, falling to 48°F at night.

How sunny is it in Windsor in May?

There are normally 8 hours of bright sunshine each day in Windsor in May - that's 55% of daylight hours.

How warm is the sea around Windsor in May?

The average sea temperature around Windsor in May is 48°F.

Does it rain in Windsor in May?

There are usually 11 days with some rain in Windsor in May and the average monthly rainfall is 2.9 inches.

Windsor May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:27 19:32
Friday, 16th May 2025 05:09 19:48
Saturday, 31st May 2025 04:58 20:01

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