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Weather & Climate in Napierville, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Napierville has a cool climate with an average annual temperature of 43°F (6°C). Winters average 14°F in January while summers reach 69°F in July. The area gets 268 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 37.7 inches. The area receives 13.3 inches of snow annually. The city sits at an elevation of 190 feet.
Temperature
14°F Jan (-10°C)
69°F Jul (21°C)
| Annual Average | 43.2°F |
| 20% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 268 days/yr |
Geography
| Elevation | 190 ft (58 m) |
| Area | 1.7 sq mi (4.5 km²) |
| Population Density | 2,314/sq mi |
| Coordinates | 45.1865°N, 73.4047°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
100 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| Apr 20, 2002 | 8 km NNW of Au Sable Forks, New York | M5.3 | 78 km | 5 km |
| Mar 14, 1996 | 7 km WNW of Saint-Adolphe-d'Howard, Canada | M4.5 | 120 km | 18 km |
| May 17, 1991 | 7 km WNW of Rigaud, Canada | M4.4 | 85 km | 18 km |
| Oct 31, 1999 | 7 km SW of Morin-Heights, Canada | M4.2 | 103 km | 18 km |
| May 24, 1997 | 6 km W of Saint-Adolphe-d'Howard, Canada | M4.2 | 118 km | 10 km |
| Apr 18, 1998 | 4 km N of Plantagenet, Canada | M4.1 | 131 km | 18 km |
| Nov 17, 1992 | 16 km ENE of Saint-André-Avellin, Canada | M4.0 | 131 km | 18 km |
| Feb 25, 2006 | 4 km NE of Thurso, Canada | M4.0 | 149 km | 11 km |
| Oct 10, 2012 | 7 km ESE of Verchères, Canada | M3.9 | 64 km | 9 km |
| Jul 30, 1993 | 1 km NE of Salaberry-de-Valleyfield, Canada | M3.9 | 57 km | 8 km |
| Mar 16, 2011 | 6 km ENE of Hawkesbury, Canada | M3.9 | 101 km | 10 km |
| Feb 11, 2002 | 2 km WNW of Notre-Dame-des-Prairies, Canada | M3.8 | 97 km | 10 km |
| Nov 16, 1993 | 5 km SSE of Saint-Édouard, Canada | M3.8 | 7 km | 17 km |
| Oct 6, 2000 | 1 km WSW of Ormstown, Canada | M3.8 | 49 km | 18 km |
| Sep 1, 2024 | 5 km SE of Pierreville, Canada | M3.8 | 108 km | 1 km |
| Sep 23, 1993 | 11 km SE of La Conception, Canada | M3.8 | 135 km | 18 km |
| Jul 30, 1998 | 0 km ENE of Lac-Simon, Canada | M3.8 | 149 km | 10 km |
| Jul 5, 1991 | 7 km WSW of Sainte-Martine, Canada | M3.8 | 39 km | 18 km |
| Nov 6, 2012 | Ontario-Quebec border region, Canada | M3.7 | 105 km | 11 km |
| Jan 9, 2006 | 2 km ESE of Franklin, Canada | M3.7 | 42 km | 13 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: FLAT ROCK FIRE (658 acres, 2018).
| Year | Name | Acres Burned | Distance |
| 2018 | FLAT ROCK FIRE | 658 | 40 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 14°F (-10°C) | 2.4 in | Coldest |
| February | 16°F (-9°C) | 2.0 in | Driest |
| March | 28°F (-2°C) | 2.4 in | |
| April | 42°F (6°C) | 2.9 in | |
| May | 56°F (13°C) | 3.3 in | |
| June | 65°F (18°C) | 3.5 in | |
| July | 69°F (21°C) | 3.9 in | Warmest, Wettest |
| August | 67°F (19°C) | 3.8 in | |
| September | 59°F (15°C) | 3.7 in | |
| October | 47°F (8°C) | 3.4 in | |
| November | 35°F (2°C) | 3.5 in | |
| December | 21°F (-6°C) | 3.0 in |
Napierville has a seasonal temperature swing of 55°F / from 14°F in January to 69°F in July. Total annual precipitation is 37.7 inches, with July being the wettest month (3.9") and February the driest (2.0").