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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 Average | 40.2°F |
| 26% below US avg | |
| January Average | 12°F (-11°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 236 days/yr |
Geography
| Elevation | 410 ft (125 m) |
| Area | 113.3 sq mi (293.4 km²) |
| Population Density | 121/sq mi |
| Coordinates | 48.8786°N, 72.2314°W |
| Timezone | America/Toronto |
Precipitation & Snow
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").