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Weather & Climate in Sainte-Catherine, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sainte-Catherine has a cool climate with an average annual temperature of 45°F (7°C). Winters average 20°F in January while summers reach 71°F in July. The area gets 232 sunny days per year, above the national average. Annual precipitation totals 56.9 inches (wetter than the 38-inch national average). The area receives 79.4 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 30 feet.
Temperature
20°F Jan (-7°C)
71°F Jul (22°C)
| Annual Average | 44.9°F |
| 17% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 232 days/yr |
Geography
| Elevation | 30 ft (9 m) |
| Area | 3.6 sq mi (9.4 km²) |
| Population Density | 4,795/sq mi |
| Coordinates | 46.3184°N, 72.5663°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
53 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 | 103 km | 23 km |
| Mar 14, 1996 | 7 km WNW of Saint-Adolphe-d'Howard, Canada | M4.5 | 148 km | 18 km |
| Oct 31, 1999 | 7 km SW of Morin-Heights, Canada | M4.2 | 145 km | 18 km |
| Dec 31, 1990 | 23 km NE of La Tuque, Canada | M4.2 | 140 km | 18 km |
| May 24, 1997 | 6 km W of Saint-Adolphe-d'Howard, Canada | M4.2 | 148 km | 10 km |
| Oct 10, 2012 | 7 km ESE of Verchères, Canada | M3.9 | 83 km | 9 km |
| Nov 16, 1993 | 5 km SSE of Saint-Édouard, Canada | M3.8 | 146 km | 17 km |
| Sep 1, 2024 | 5 km SE of Pierreville, Canada | M3.8 | 34 km | 1 km |
| Feb 11, 2002 | 2 km WNW of Notre-Dame-des-Prairies, Canada | M3.8 | 75 km | 10 km |
| Jul 23, 2010 | 18 km S of Saint-Antoine-de-Tilly, Canada | M3.5 | 75 km | 18 km |
| Apr 3, 1997 | 9 km ENE of Saint-Cyrille-de-Wendover, Canada | M3.5 | 42 km | 5 km |
| Apr 29, 2009 | 7 km SSE of L'Ange-Gardien, Canada | M3.4 | 130 km | 18 km |
| Apr 8, 2005 | 6 km SW of Saint-Gabriel, Canada | M3.4 | 68 km | 18 km |
| Apr 24, 2010 | 11 km NNW of Château-Richer, Canada | M3.3 | 140 km | 18 km |
| Aug 20, 1995 | 4 km S of Chambly, Canada | M3.3 | 115 km | 18 km |
| May 17, 2021 | 5 km SW of L'Épiphanie, Canada | M3.3 | 93 km | 12 km |
| Jun 1, 2002 | 3 km SW of Boisbriand, Canada | M3.2 | 129 km | 18 km |
| Mar 6, 2010 | 1 km WNW of Beaupré, Canada | M3.2 | 150 km | 18 km |
| May 6, 2020 | 9 km SE of Bedford, Canada | M3.1 | 142 km | 14 km |
| May 11, 2006 | 7 km W of Nicolet, Canada | M3.0 | 15 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 2.6 in | |
| February | 12°F (-11°C) | 2.2 in | Coldest, Driest |
| March | 24°F (-5°C) | 2.5 in | |
| April | 39°F (4°C) | 2.8 in | |
| May | 54°F (12°C) | 3.4 in | |
| June | 63°F (17°C) | 3.6 in | |
| July | 71°F (22°C) | 3.8 in | Warmest |
| August | 66°F (19°C) | 3.9 in | Wettest |
| September | 57°F (14°C) | 3.7 in | |
| October | 46°F (8°C) | 3.4 in | |
| November | 35°F (1°C) | 3.5 in | |
| December | 19°F (-7°C) | 3.2 in |
Sainte-Catherine has a seasonal temperature swing of 59°F / from 12°F in February to 71°F in July. Total annual precipitation is 38.6 inches, with August being the wettest month (3.9") and February the driest (2.2").