Sault Ste. Marie weather in May 2025

Expect daytime maximum temperatures of 61°F in Sault Ste. Marie, Ontario in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 2.9 inches of rainfall in the month.

  • 61°F maximum daytime temperature in May in Sault Ste. Marie61
    61°F max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in May in Sault Ste. Marie11
    11 days with some rainfall
  • 37°F minimum night-time temperature in May in Sault Ste. Marie37
    37°F min night temperature
  • 15 hours of daylight per day in May in Sault Ste. Marie15
    15 hours of daylight per day
  • No heat & humidity in May in Sault Ste. Marie0
    No heat & humidity
  • 2.9 inches monthly rainfall in May in Sault Ste. Marie2.9
    2.9 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Sault Ste. Marie6
    6 (High) UV index
  • 37°F sea temperature in May in Sault Ste. Marie37
    37°F sea temperature

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Sault Ste. Marie by month

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The May weather guide for Ontario (Sault Ste. Marie) 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 Ontario

How warm is it in Sault Ste. Marie in May?

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

How sunny is it in Sault Ste. Marie in May?

There are normally 8 hours of bright sunshine each day in Sault Ste. Marie in May - that's 56% of daylight hours.

How warm is the sea around Sault Ste. Marie in May?

The average sea temperature around Sault Ste. Marie in May is 37°F.

Does it rain in Sault Ste. Marie in May?

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

Sault Ste. Marie May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:22 19:47
Friday, 16th May 2025 05:02 20:06
Saturday, 31st May 2025 04:49 20:22

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