Sault Ste. Marie weather in August 2025

Expect 23°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Sault Ste. Marie in August. Check more long-term weather averages for Sault Ste. Marie in August before you book your next holiday to Michigan in 2025/2026.

  • 23°C maximum daytime temperature in August in Sault Ste. Marie23
    23°C max day temperature
  • 8 hours of sunshine per day
  • 12 days with some rainfall in August in Sault Ste. Marie12
    12 days with some rainfall
  • 11°C minimum night-time temperature in August in Sault Ste. Marie11
    11°C min night temperature
  • 14 hours of daylight per day in August in Sault Ste. Marie14
    14 hours of daylight per day
  • No heat & humidity in August in Sault Ste. Marie0
    No heat & humidity
  • 88 mm monthly rainfall in August in Sault Ste. Marie88
    88 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Sault Ste. Marie7
    7 (High) UV index
  • 15°C sea temperature in August in Sault Ste. Marie15
    15°C sea temperature

More about Sault Ste. Marie

Sault Ste. Marie by month

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The August weather guide for Michigan (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)

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How hot is it in Sault Ste. Marie in August?

Daytime temperatures usually reach 23°C in Sault Ste. Marie in August, falling to 11°C at night.

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

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

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

The average sea temperature around Sault Ste. Marie in August is 15°C.

Does it rain in Sault Ste. Marie in August?

There are usually 12 days with some rain in Sault Ste. Marie in August and the average monthly rainfall is 88mm.

Sault Ste. Marie August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:19 20:08
Saturday, 16th August 2025 05:38 19:45
Sunday, 31st August 2025 05:57 19:18

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