Weather & Climate in Mashteuiatsh, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mashteuiatsh has a cool climate with an average annual temperature of 36°F (2°C). Winters average 2°F in January while summers reach 64°F in July / a wide seasonal temperature swing of 62°F. Annual precipitation totals 33.3 inches. The area receives 13.5 inches of snow annually. The city sits at an elevation of 387 feet.
Temperature
2°F Jan (-17°C)
64°F Jul (18°C)
| Annual Average | 35.7°F |
| 34% below US avg | |
| January Average | 2°F (-17°C) |
| July Average | 64°F (18°C) |
Geography
| Elevation | 387 ft (118 m) |
| Area | 5.6 sq mi (14.4 km²) |
| Population Density | 361/sq mi |
| Coordinates | 48.5763°N, 72.2302°W |
| Timezone | America/Montreal |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Jul 12, 2000 | 46 km W of Baie-Saint-Paul, Canada | M4.2 | 144 km | 10 km |
| Dec 31, 1990 | 23 km NE of La Tuque, Canada | M4.2 | 114 km | 18 km |
| Jan 19, 2022 | 11 km SSE of Metabetchouan-Lac-a-la-Croix, Canada | M2.5 | 48 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 2°F (-17°C) | 2.2 in | Coldest |
| February | 5°F (-15°C) | 1.7 in | Driest |
| March | 18°F (-8°C) | 1.9 in | |
| April | 34°F (1°C) | 2.3 in | |
| May | 48°F (9°C) | 2.8 in | |
| June | 59°F (15°C) | 3.2 in | |
| July | 64°F (18°C) | 4.3 in | Warmest, Wettest |
| August | 63°F (17°C) | 3.4 in | |
| September | 54°F (12°C) | 3.4 in | |
| October | 42°F (6°C) | 2.8 in | |
| November | 30°F (-1°C) | 3.0 in | |
| December | 12°F (-11°C) | 2.5 in |
Mashteuiatsh has a seasonal temperature swing of 62°F / from 2°F in January to 64°F in July. Total annual precipitation is 33.3 inches, with July being the wettest month (4.3") and February the driest (1.7").