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Weather extremes

How extreme does Rouyn-Noranda's weather get?

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

Based on 32 years of daily weather observations (1994–present), from the Rouyn 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 Rouyn-Noranda has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
98°F Jul 12, 2005

That is about 23°F hotter than a normal July afternoon in Rouyn-Noranda (typical high near 75°F).

The three most extreme on record

1 98°F Jul 12, 2005
2 95°F Jul 1, 2002
3 95°F Jul 11, 2005
❄️ Coldest night
-40°F Jan 2, 2014

About 36°F colder than a normal January night in Rouyn-Noranda (typical low near -4°F).

The three most extreme on record

1 -40°F Jan 2, 2014
2 -39°F Jan 3, 2014
3 -38°F Jan 10, 2004
🌧️ Most rain in one day
2.47 in Jul 21, 2016

About 64% of a typical July's rain in a single day (Rouyn-Noranda averages roughly 3.9 in across the month).

The three most extreme on record

1 2.47 in Jul 21, 2016
2 2.43 in Jul 8, 2008
3 2.41 in Jul 18, 2005

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 98°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Rouyn-Noranda's record heat sits well above even a hot day for the season — July's 98°F is about 23°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, Rouyn-Noranda's warmest days reach the mid-70s°F and its coldest nights drop to the low 0s°F. But across the record it has gone as high as 98°F and as low as −40°F. A single day has delivered over 2 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 26 years of daily observations at Rouyn, a weather station, about 2 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →