Toronto weather in May 2023

  • 18°C maximum daytime temperature in May in Toronto18
    18°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in May in Toronto11
    11 days with some rainfall
  • 8°C minimum night-time temperature in May in Toronto8
    8°C min night temperature
  • 15 hours of daylight per day in May in Toronto15
    15 hours of daylight per day
  • No heat & humidity in May in Toronto0
    No heat & humidity
  • 69 mm monthly rainfall in May in Toronto69
    69 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Toronto7
    7 (High) UV index
  • 7°C sea temperature in May in Toronto7
    7°C sea temperature

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The May weather guide for Ontario (Toronto) 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.

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

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More about Canada

How hot is it in Toronto in May?

Daytime temperatures usually reach 18°C in Toronto in May, falling to 8°C at night.

How sunny is it in Toronto in May?

There are normally 7 hours of bright sunshine each day in Toronto in May - that's 50% of daylight hours.

Is the sea cold around Toronto in May?

The average sea temperature around Toronto in May is 7°C.

Does it rain in Toronto in May?

There are usually 11 days with some rain in Toronto in May and the average monthly rainfall is 69mm.

Toronto May sunrise & sunset times

Browse the sunrise and sunset times for Toronto in May 2023. Select a month to view Toronto sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st May 2023 06:10 20:20
Tuesday, 16th May 2023 05:52 20:37
Wednesday, 31st May 2023 05:40 20:51

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