Kingston weather in May 2025

Expect 18°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Kingston in May. Check more long-term weather averages for Kingston in May before you book your next holiday to Ontario in 2025/2026.

  • 18°C maximum daytime temperature in May in Kingston18
    18°C max day temperature
  • 8 hours of sunshine per day
  • 12 days with some rainfall in May in Kingston12
    12 days with some rainfall
  • 7°C minimum night-time temperature in May in Kingston7
    7°C min night temperature
  • 15 hours of daylight per day in May in Kingston15
    15 hours of daylight per day
  • No heat & humidity in May in Kingston0
    No heat & humidity
  • 77 mm monthly rainfall in May in Kingston77
    77 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Kingston7
    7 (High) UV index
  • 6°C sea temperature in May in Kingston6
    6°C sea temperature

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The May weather guide for Ontario (Kingston) 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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How hot is it in Kingston in May?

Daytime temperatures usually reach 18°C in Kingston in May, falling to 7°C at night.

How sunny is it in Kingston in May?

There are normally 8 hours of bright sunshine each day in Kingston in May - that's 51% of daylight hours.

Is the sea cold around Kingston in May?

The average sea temperature around Kingston in May is 6°C.

Does it rain in Kingston in May?

There are usually 12 days with some rain in Kingston in May and the average monthly rainfall is 77mm.

Kingston May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:57 19:10
Friday, 16th May 2025 04:38 19:28
Saturday, 31st May 2025 04:26 19:42

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