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Weather extremes

How extreme does Sault Ste. Marie's weather get?

The hottest, coldest, wettest and snowiest days Sault Ste. Marie has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 50+ years of daily weather observations (1971–present), from the Sault Ste Marie Sanderson Fld station 2 km away. Updated through May 2026 — an all-time extreme only changes when a more extreme day actually occurs, so some dates are old. That is normal, not stale data.

The four kinds of extreme

The hottest, coldest, wettest and snowiest single days Sault Ste. Marie has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
97°F Jul 31, 1975

That is about 20°F hotter than a normal July afternoon in Sault Ste. Marie (typical high near 77°F).

The three most extreme on record

1 97°F Jul 31, 1975
2 97°F Jul 7, 1988
3 97°F Jul 8, 1988
❄️ Coldest night
-36°F Jan 10, 1982

About 44°F colder than a normal January night in Sault Ste. Marie (typical low near 8°F).

The three most extreme on record

1 -36°F Jan 10, 1982
2 -35°F Feb 17, 1979
3 -33°F Jan 21, 1984
🌧️ Most rain in one day
5.92 in Aug 3, 1974

More rain in a single day than Sault Ste. Marie usually gets in the whole month of August (typical August total about 3.2 in).

The three most extreme on record

1 5.92 in Aug 3, 1974
2 3.20 in Oct 10, 2018
3 3.15 in Aug 30, 1995
Most snow in one day
26.6 in Dec 10, 1995

About 88% of a typical December's snow in a single day (Sault Ste. Marie averages roughly 30 in across the month).

The three most extreme on record

1 26.6 in Dec 10, 1995
2 19.4 in Dec 9, 1995
3 18.6 in Apr 1, 2023

How hot and cold it gets, month by month

The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.

-50°-30°-10°10°30°50°70°90°110° all-time high 97°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Sault Ste. Marie's record heat sits well above even a hot day for the season — July's 97°F is about 20°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.

In plain terms

In a normal year, Sault Ste. Marie's warmest days reach the high 70s°F and its coldest nights drop to the high 0s°F. But across the record it has gone as high as 97°F and as low as −36°F. A single day has delivered over 6 inches of rain or close to 27 inches of snow. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.
Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 21 years of daily observations at Sault Ste Marie A, a weather station, about 13 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →