Sault Ste. Marie weather in May 2025

Expect 16°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Sault Ste. Marie in May. Check more long-term weather averages for Sault Ste. Marie in May before you book your next holiday to Ontario in 2025/2026.

  • 16°C maximum daytime temperature in May in Sault Ste. Marie16
    16°C 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
  • 3°C minimum night-time temperature in May in Sault Ste. Marie3
    3°C 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
  • 74 mm monthly rainfall in May in Sault Ste. Marie74
    74 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in Sault Ste. Marie6
    6 (High) UV index
  • 3°C sea temperature in May in Sault Ste. Marie3
    3°C sea temperature

More about Sault Ste. Marie

Sault Ste. Marie by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ontario

Travelbag: Latest holiday sale offers worldwide

  • Explore latest sale offers on holidays in 2025/2026
  • Filter deals by continent, star rating & holiday type
  • Including Dubai, Caribbean, North America, Asia & Pacific
Go to Travelbag deal >>

View all Travelbag offers

TravelbagHoliday deal finder

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 / mm)  |  Imperial (°F / inches)

Back to top

More about Canada

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

Daytime temperatures usually reach 16°C in Sault Ste. Marie in May, falling to 3°C 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.

Is the sea cold around Sault Ste. Marie in May?

The average sea temperature around Sault Ste. Marie in May is 3°C.

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 74mm.

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^