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Weather extremes

How extreme does Rimouski's weather get?

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

Based on 30 years of daily weather observations (1996–present), from the Pointe-Au-Pere (Inrs) station 9 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 Rimouski has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
95°F Aug 5, 2012

That is about 27°F hotter than a normal August afternoon in Rimouski (typical high near 68°F).

The three most extreme on record

1 95°F Aug 5, 2012
2 91°F Jun 19, 2006
3 90°F Jun 27, 2003
❄️ Coldest night
-29°F Jan 3, 2014

About 36°F colder than a normal January night in Rimouski (typical low near 7°F).

The three most extreme on record

1 -29°F Jan 3, 2014
2 -28°F Jan 2, 2014
3 -25°F Feb 9, 2015
🌧️ Most rain in one day
3.11 in Sep 28, 2003

About 93% of a typical September's rain in a single day (Rimouski averages roughly 3.3 in across the month).

The three most extreme on record

1 3.11 in Sep 28, 2003
2 2.52 in Sep 28, 2010
3 2.51 in Aug 13, 2004

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 95°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Rimouski's record heat sits well above even a hot day for the season — August's 95°F is about 27°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, Rimouski's warmest days reach the high 60s°F and its coldest nights drop to the high 0s°F. But across the record it has gone as high as 95°F and as low as −29°F. A single day has delivered over 3 inches of rain. 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 25 years of daily observations at Rimouski, a weather station, inside the city. The underlying daily records come from NOAA's global station network.

How we build these numbers →