Sudbury weather in May 2025

Expect daytime maximum temperatures of 17°C in Sudbury in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 63 mm of rainfall in the month.

  • 17°C maximum daytime temperature in May in Sudbury17
    17°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in May in Sudbury10
    10 days with some rainfall
  • 5°C minimum night-time temperature in May in Sudbury5
    5°C min night temperature
  • 15 hours of daylight per day in May in Sudbury15
    15 hours of daylight per day
  • No heat & humidity in May in Sudbury0
    No heat & humidity
  • 63 mm monthly rainfall in May in Sudbury63
    63 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in Sudbury6
    6 (High) UV index

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The May weather guide for Ontario (Sudbury) 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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More about Ontario

How warm is it in Sudbury in May?

Daytime temperatures usually reach 17°C in Sudbury in May, falling to 5°C at night.

How sunny is it in Sudbury in May?

There are normally 7 hours of bright sunshine each day in Sudbury in May - that's 49% of daylight hours.

Does it rain in Sudbury in May?

There are usually 10 days with some rain in Sudbury in May and the average monthly rainfall is 63mm.

Sudbury May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:09 19:34
Friday, 16th May 2025 04:49 19:53
Saturday, 31st May 2025 04:35 20:09

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