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Weather & Climate in Dolbeau-Mistassini, QC

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Dolbeau-Mistassini has a cool climate with an average annual temperature of 40°F (5°C). Winters average 12°F in January while summers reach 68°F in July. The area gets 236 sunny days per year, above the national average. Annual precipitation totals 45.0 inches. The area receives 59.0 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 410 feet.

Temperature

12°F Jan (-11°C) 68°F Jul (20°C)
Annual Average40.2°F
26% below US avg
January Average12°F (-11°C)
July Average68°F (20°C)
Sunny Days236 days/yr

Geography

Elevation410 ft (125 m)
Area113.3 sq mi (293.4 km²)
Population Density121/sq mi
Coordinates48.8786°N, 72.2314°W
TimezoneAmerica/Toronto

Precipitation & Snow

Annual Rainfall 45.0"
18% above US avg
Snowfall 59.0"
Wettest Month (Jul) 4.57"
Driest Month (Feb) 1.69"

Air Quality

Earthquake History

2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.

Dec 31, 1990 23 km NE of La Tuque, Canada M4.2 147 km 18 km
Jan 19, 2022 11 km SSE of Metabetchouan-Lac-a-la-Croix, Canada M2.5 73 km 10 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 12°F (-11°C) 2.2 in
February 3°F (-16°C) 1.7 in Coldest, Driest
March 17°F (-8°C) 1.8 in
April 34°F (1°C) 2.2 in
May 49°F (9°C) 3.1 in
June 59°F (15°C) 3.3 in
July 68°F (20°C) 4.6 in Warmest, Wettest
August 61°F (16°C) 3.8 in
September 52°F (11°C) 3.7 in
October 41°F (5°C) 2.9 in
November 27°F (-3°C) 2.8 in
December 9°F (-13°C) 2.7 in

Dolbeau-Mistassini has a seasonal temperature swing of 65°F / from 3°F in February to 68°F in July. Total annual precipitation is 34.8 inches, with July being the wettest month (4.6") and February the driest (1.7").

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