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Weather & Climate in Saint-Léonard-d'Aston, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint-Léonard-d'Aston has a cool climate with an average annual temperature of 41°F (5°C). Winters average 10°F in January while summers reach 67°F in July. The area gets 264 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 39.6 inches. The area receives 14.1 inches of snow annually. The city sits at an elevation of 243 feet.
Temperature
10°F Jan (-12°C)
67°F Jul (20°C)
| Annual Average | 40.8°F |
| 24% below US avg | |
| January Average | 10°F (-12°C) |
| July Average | 67°F (20°C) |
| Sunny Days | 264 days/yr |
Geography
| Elevation | 243 ft (74 m) |
| Area | 31.9 sq mi (82.5 km²) |
| Population Density | 79/sq mi |
| Coordinates | 46.1072°N, 72.3735°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
48 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 | 107 km | 23 km |
| Oct 10, 2012 | 7 km ESE of Verchères, Canada | M3.9 | 80 km | 9 km |
| Nov 16, 1993 | 5 km SSE of Saint-Édouard, Canada | M3.8 | 135 km | 17 km |
| Sep 1, 2024 | 5 km SE of Pierreville, Canada | M3.8 | 30 km | 1 km |
| Feb 11, 2002 | 2 km WNW of Notre-Dame-des-Prairies, Canada | M3.8 | 84 km | 10 km |
| Jul 23, 2010 | 18 km S of Saint-Antoine-de-Tilly, Canada | M3.5 | 73 km | 18 km |
| Apr 3, 1997 | 9 km ENE of Saint-Cyrille-de-Wendover, Canada | M3.5 | 15 km | 5 km |
| Apr 8, 2005 | 6 km SW of Saint-Gabriel, Canada | M3.4 | 85 km | 18 km |
| Apr 29, 2009 | 7 km SSE of L'Ange-Gardien, Canada | M3.4 | 131 km | 18 km |
| Aug 20, 1995 | 4 km S of Chambly, Canada | M3.3 | 105 km | 18 km |
| May 17, 2021 | 5 km SW of L'Épiphanie, Canada | M3.3 | 95 km | 12 km |
| Apr 24, 2010 | 11 km NNW of Château-Richer, Canada | M3.3 | 145 km | 18 km |
| Jun 1, 2002 | 3 km SW of Boisbriand, Canada | M3.2 | 129 km | 18 km |
| May 6, 2020 | 9 km SE of Bedford, Canada | M3.1 | 123 km | 14 km |
| Mar 29, 2020 | 3 km W of L'Épiphanie, Canada | M3.0 | 94 km | 11 km |
| May 31, 2007 | 35 km WNW of Sainte-Thècle, Canada | M3.0 | 106 km | 18 km |
| Apr 15, 2010 | 7 km WNW of Valcourt, Canada | M3.0 | 65 km | 18 km |
| May 11, 2006 | 7 km W of Nicolet, Canada | M3.0 | 30 km | 5 km |
| Apr 20, 2015 | 45 km N of Mandeville, Canada | M2.9 | 101 km | 18 km |
| Nov 9, 2009 | southern Quebec, Canada | M2.9 | 59 km | 18 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 10°F (-12°C) | 2.6 in | Coldest |
| February | 12°F (-11°C) | 2.1 in | Driest |
| March | 24°F (-4°C) | 2.5 in | |
| April | 39°F (4°C) | 3.0 in | |
| May | 53°F (12°C) | 3.4 in | |
| June | 63°F (17°C) | 3.7 in | |
| July | 67°F (20°C) | 3.9 in | Warmest |
| August | 65°F (19°C) | 4.2 in | Wettest |
| September | 57°F (14°C) | 3.7 in | |
| October | 46°F (8°C) | 3.6 in | |
| November | 34°F (1°C) | 3.7 in | |
| December | 19°F (-7°C) | 3.2 in |
Saint-Léonard-d'Aston has a seasonal temperature swing of 57°F / from 10°F in January to 67°F in July. Total annual precipitation is 39.6 inches, with August being the wettest month (4.2") and February the driest (2.1").