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Weather & Climate in Windsor, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Windsor has a cool climate with an average annual temperature of 45°F (7°C). Winters average 23°F in January while summers reach 69°F in July. The area gets 221 sunny days per year, above the national average. Annual precipitation totals 54.3 inches (wetter than the 38-inch national average). The area receives 84.8 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 568 feet.
Temperature
23°F Jan (-5°C)
69°F Jul (20°C)
| Annual Average | 44.8°F |
| 17% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 221 days/yr |
Geography
| Elevation | 568 ft (173 m) |
| Area | 5.6 sq mi (14.5 km²) |
| Population Density | 944/sq mi |
| Coordinates | 45.5668°N, 71.9991°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
45 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 | 144 km | 23 km |
| Oct 10, 2012 | 7 km ESE of Verchères, Canada | M3.9 | 101 km | 9 km |
| Feb 11, 2002 | 2 km WNW of Notre-Dame-des-Prairies, Canada | M3.8 | 126 km | 10 km |
| Jun 16, 1995 | 8 km N of Lisbon, New Hampshire | M3.8 | 143 km | 5 km |
| Nov 16, 1993 | 5 km SSE of Saint-Édouard, Canada | M3.8 | 124 km | 17 km |
| Sep 1, 2024 | 5 km SE of Pierreville, Canada | M3.8 | 79 km | 1 km |
| Jul 23, 2010 | 18 km S of Saint-Antoine-de-Tilly, Canada | M3.5 | 108 km | 18 km |
| Apr 3, 1997 | 9 km ENE of Saint-Cyrille-de-Wendover, Canada | M3.5 | 53 km | 5 km |
| Apr 8, 2005 | 6 km SW of Saint-Gabriel, Canada | M3.4 | 136 km | 18 km |
| Aug 20, 1995 | 4 km S of Chambly, Canada | M3.3 | 101 km | 18 km |
| May 17, 2021 | 5 km SW of L'Épiphanie, Canada | M3.3 | 122 km | 12 km |
| Jun 1, 2002 | 3 km SW of Boisbriand, Canada | M3.2 | 145 km | 18 km |
| May 6, 2020 | 9 km SE of Bedford, Canada | M3.1 | 90 km | 14 km |
| Apr 15, 2010 | 7 km WNW of Valcourt, Canada | M3.0 | 32 km | 18 km |
| Mar 29, 2020 | 3 km W of L'Épiphanie, Canada | M3.0 | 123 km | 11 km |
| May 11, 2006 | 7 km W of Nicolet, Canada | M3.0 | 92 km | 5 km |
| Nov 6, 1997 | 4 km SSW of L'Ancienne-Lorette, Canada | M2.9 | 141 km | 18 km |
| Nov 9, 2009 | southern Quebec, Canada | M2.9 | 32 km | 18 km |
| Nov 8, 1997 | 2 km SW of L'Ancienne-Lorette, Canada | M2.9 | 143 km | 23 km |
| Feb 4, 2022 | 0 km SSW of Gorham, New Hampshire | M2.9 | 146 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 2.9 in | |
| February | 14°F (-10°C) | 2.3 in | Coldest, Driest |
| March | 25°F (-4°C) | 2.6 in | |
| April | 39°F (4°C) | 3.2 in | |
| May | 52°F (11°C) | 3.8 in | |
| June | 61°F (16°C) | 4.6 in | |
| July | 69°F (20°C) | 4.7 in | Warmest |
| August | 65°F (18°C) | 5.1 in | Wettest |
| September | 56°F (13°C) | 3.9 in | |
| October | 45°F (7°C) | 4.1 in | |
| November | 34°F (1°C) | 3.9 in | |
| December | 19°F (-7°C) | 3.5 in |
Windsor has a seasonal temperature swing of 55°F / from 14°F in February to 69°F in July. Total annual precipitation is 44.5 inches, with August being the wettest month (5.1") and February the driest (2.3").