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Weather & Climate in Saint-Rosaire, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint-Rosaire has a cool climate with an average annual temperature of 40°F (5°C). Winters average 10°F in January while summers reach 67°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 41.8 inches. The area receives 15.0 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 335 feet.
Temperature
10°F Jan (-12°C)
67°F Jul (19°C)
| Annual Average | 40.4°F |
| 25% below US avg | |
| January Average | 10°F (-12°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 335 ft (102 m) |
| Area | 42.3 sq mi (109.5 km²) |
| Population Density | 22/sq mi |
| Coordinates | 46.1642°N, 72.0254°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
52 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Nov 6, 1997 | 4 km W of L'Ancienne-Lorette, Canada | M4.8 | 85 km | 23 km |
| Oct 10, 2012 | 7 km ESE of Verchères, Canada | M3.9 | 106 km | 9 km |
| Feb 11, 2002 | 2 km WNW of Notre-Dame-des-Prairies, Canada | M3.8 | 111 km | 10 km |
| Sep 1, 2024 | 5 km SE of Pierreville, Canada | M3.8 | 58 km | 1 km |
| Jul 23, 2010 | 18 km S of Saint-Antoine-de-Tilly, Canada | M3.5 | 49 km | 18 km |
| Apr 3, 1997 | 9 km ENE of Saint-Cyrille-de-Wendover, Canada | M3.5 | 31 km | 5 km |
| Aug 7, 2010 | 8 km WNW of Montmagny, Canada | M3.5 | 141 km | 25 km |
| Aug 27, 2011 | 24 km SSW of Montmagny, Canada | M3.5 | 124 km | 18 km |
| Jan 4, 2018 | 18 km SSE of Beaupré, Canada | M3.4 | 126 km | 18 km |
| Apr 29, 2009 | 7 km SSE of L'Ange-Gardien, Canada | M3.4 | 107 km | 18 km |
| Apr 8, 2005 | 6 km SW of Saint-Gabriel, Canada | M3.4 | 110 km | 18 km |
| Apr 24, 2010 | 11 km NNW of Château-Richer, Canada | M3.3 | 123 km | 18 km |
| Aug 20, 1995 | 4 km S of Chambly, Canada | M3.3 | 128 km | 18 km |
| May 17, 2021 | 5 km SW of L'Épiphanie, Canada | M3.3 | 123 km | 12 km |
| Mar 6, 2010 | 1 km WNW of Beaupré, Canada | M3.2 | 130 km | 18 km |
| Oct 8, 2010 | 16 km NW of Montmagny, Canada | M3.1 | 147 km | 28 km |
| May 6, 2020 | 9 km SE of Bedford, Canada | M3.1 | 140 km | 14 km |
| Apr 15, 2010 | 7 km WNW of Valcourt, Canada | M3.0 | 77 km | 18 km |
| May 11, 2006 | 7 km W of Nicolet, Canada | M3.0 | 53 km | 5 km |
| Mar 29, 2020 | 3 km W of L'Épiphanie, Canada | M3.0 | 121 km | 11 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 10°F (-12°C) | 3.0 in | Coldest |
| February | 12°F (-11°C) | 2.2 in | Driest |
| March | 24°F (-5°C) | 2.7 in | |
| April | 39°F (4°C) | 2.8 in | |
| May | 53°F (11°C) | 3.4 in | |
| June | 62°F (16°C) | 4.1 in | |
| July | 67°F (19°C) | 4.3 in | Warmest |
| August | 65°F (18°C) | 4.4 in | Wettest |
| September | 56°F (14°C) | 4.0 in | |
| October | 45°F (7°C) | 3.9 in | |
| November | 34°F (1°C) | 3.7 in | |
| December | 19°F (-7°C) | 3.4 in |
Saint-Rosaire has a seasonal temperature swing of 57°F / from 10°F in January to 67°F in July. Total annual precipitation is 41.8 inches, with August being the wettest month (4.4") and February the driest (2.2").