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Weather & Climate in Saint-Sylvestre, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint-Sylvestre has a cool climate with an average annual temperature of 39°F (4°C). Winters average 9°F in January while summers reach 65°F in July. The area gets 252 sunny days per year, above the national average. Annual precipitation totals 46.6 inches (wetter than the 38-inch national average). The area receives 16.7 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 1,010 feet.
Temperature
9°F Jan (-13°C)
65°F Jul (19°C)
| Annual Average | 39.0°F |
| 28% below US avg | |
| January Average | 9°F (-13°C) |
| July Average | 65°F (19°C) |
| Sunny Days | 252 days/yr |
Geography
| Elevation | 1,010 ft (308 m) |
| Area | 56.8 sq mi (147.1 km²) |
| Population Density | 18/sq mi |
| Coordinates | 46.3635°N, 71.2268°W |
| Timezone | America/Montreal |
Precipitation & Snow
Air Quality
Earthquake History
64 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 | 51 km | 23 km |
| Jul 12, 2000 | 46 km W of Baie-Saint-Paul, Canada | M4.2 | 129 km | 10 km |
| Sep 1, 2024 | 5 km SE of Pierreville, Canada | M3.8 | 123 km | 1 km |
| Aug 17, 2002 | 12 km S of Baie-Saint-Paul, Canada | M3.8 | 121 km | 13 km |
| Dec 30, 1993 | 10 km E of Baie-Saint-Paul, Canada | M3.8 | 138 km | 7 km |
| Aug 4, 2012 | 24 km SSW of Baie-Saint-Paul, Canada | M3.8 | 108 km | 18 km |
| Jan 21, 2015 | 13 km W of La Pocatière, Canada | M3.7 | 136 km | 15 km |
| Apr 7, 2006 | 16 km S of Baie-Saint-Paul, Canada | M3.7 | 118 km | 0 km |
| Aug 20, 1997 | 17 km SW of La Malbaie, Canada | M3.7 | 148 km | 18 km |
| Jul 23, 2010 | 18 km S of Saint-Antoine-de-Tilly, Canada | M3.5 | 34 km | 18 km |
| Aug 27, 2011 | 24 km SSW of Montmagny, Canada | M3.5 | 63 km | 18 km |
| Aug 7, 2010 | 8 km WNW of Montmagny, Canada | M3.5 | 85 km | 25 km |
| Apr 3, 1997 | 9 km ENE of Saint-Cyrille-de-Wendover, Canada | M3.5 | 95 km | 5 km |
| Dec 11, 2013 | 9 km W of St-Jean-Port-Joli, Canada | M3.4 | 114 km | 13 km |
| Jan 3, 2008 | 15 km ESE of Baie-Saint-Paul, Canada | M3.4 | 133 km | 14 km |
| Apr 29, 2009 | 7 km SSE of L'Ange-Gardien, Canada | M3.4 | 56 km | 18 km |
| Jan 4, 2018 | 18 km SSE of Beaupré, Canada | M3.4 | 69 km | 18 km |
| Apr 24, 2010 | 11 km NNW of Château-Richer, Canada | M3.3 | 78 km | 18 km |
| Jun 28, 2015 | 5 km NW of La Pocatière, Canada | M3.3 | 143 km | 7 km |
| Aug 29, 2019 | 15 km NW of St-Jean-Port-Joli, Canada | M3.3 | 121 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 9°F (-13°C) | 3.3 in | Coldest |
| February | 12°F (-11°C) | 2.7 in | Driest |
| March | 23°F (-5°C) | 3.1 in | |
| April | 37°F (3°C) | 3.2 in | |
| May | 51°F (10°C) | 3.8 in | |
| June | 60°F (16°C) | 4.7 in | |
| July | 65°F (19°C) | 5.1 in | Warmest, Wettest |
| August | 64°F (18°C) | 4.7 in | |
| September | 55°F (13°C) | 4.1 in | |
| October | 44°F (7°C) | 4.2 in | |
| November | 32°F (0°C) | 3.7 in | |
| December | 17°F (-8°C) | 3.9 in |
Saint-Sylvestre has a seasonal temperature swing of 56°F / from 9°F in January to 65°F in July. Total annual precipitation is 46.6 inches, with July being the wettest month (5.1") and February the driest (2.7").