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Weather & Climate in Lacolle, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lacolle has a cool climate with an average annual temperature of 44°F (6°C). Winters average 15°F in January while summers reach 69°F in July. The area gets 273 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 34.7 inches. The area receives 7.8 inches of snow annually. The city sits at an elevation of 138 feet.
Temperature
15°F Jan (-10°C)
69°F Jul (21°C)
| Annual Average | 43.5°F |
| 19% below US avg | |
| January Average | 15°F (-10°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 273 days/yr |
Geography
| Elevation | 138 ft (42 m) |
| Area | 19.1 sq mi (49.4 km²) |
| Population Density | 142/sq mi |
| Coordinates | 45.0834°N, 73.3659°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
98 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 | 69 km | 5 km |
| Mar 14, 1996 | 7 km WNW of Saint-Adolphe-d'Howard, Canada | M4.5 | 131 km | 18 km |
| May 17, 1991 | 7 km WNW of Rigaud, Canada | M4.4 | 93 km | 18 km |
| May 24, 1997 | 6 km W of Saint-Adolphe-d'Howard, Canada | M4.2 | 129 km | 10 km |
| Oct 31, 1999 | 7 km SW of Morin-Heights, Canada | M4.2 | 113 km | 18 km |
| Apr 18, 1998 | 4 km N of Plantagenet, Canada | M4.1 | 138 km | 18 km |
| Nov 17, 1992 | 16 km ENE of Saint-André-Avellin, Canada | M4.0 | 139 km | 18 km |
| Oct 10, 2012 | 7 km ESE of Verchères, Canada | M3.9 | 75 km | 9 km |
| Jul 30, 1993 | 1 km NE of Salaberry-de-Valleyfield, Canada | M3.9 | 62 km | 8 km |
| Mar 16, 2011 | 6 km ENE of Hawkesbury, Canada | M3.9 | 109 km | 10 km |
| Sep 23, 1993 | 11 km SE of La Conception, Canada | M3.8 | 146 km | 18 km |
| Apr 20, 2000 | 7 km WSW of Newcomb, New York | M3.8 | 145 km | 5 km |
| Jul 5, 1991 | 7 km WSW of Sainte-Martine, Canada | M3.8 | 45 km | 18 km |
| Nov 16, 1993 | 5 km SSE of Saint-Édouard, Canada | M3.8 | 15 km | 17 km |
| Sep 1, 2024 | 5 km SE of Pierreville, Canada | M3.8 | 117 km | 1 km |
| Oct 6, 2000 | 1 km WSW of Ormstown, Canada | M3.8 | 52 km | 18 km |
| Feb 11, 2002 | 2 km WNW of Notre-Dame-des-Prairies, Canada | M3.8 | 109 km | 10 km |
| Jun 16, 1995 | 8 km N of Lisbon, New Hampshire | M3.8 | 145 km | 5 km |
| Nov 6, 2012 | Ontario-Quebec border region, Canada | M3.7 | 113 km | 11 km |
| Jan 9, 2006 | 2 km ESE of Franklin, Canada | M3.7 | 41 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 | 32 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 15°F (-10°C) | 1.9 in | Coldest |
| February | 17°F (-8°C) | 1.5 in | Driest |
| March | 29°F (-2°C) | 2.0 in | |
| April | 42°F (6°C) | 2.6 in | |
| May | 56°F (13°C) | 3.2 in | |
| June | 65°F (18°C) | 3.4 in | |
| July | 69°F (21°C) | 3.9 in | Warmest, Wettest |
| August | 67°F (19°C) | 3.8 in | |
| September | 59°F (15°C) | 3.6 in | |
| October | 47°F (8°C) | 3.3 in | |
| November | 36°F (2°C) | 3.1 in | |
| December | 22°F (-6°C) | 2.4 in |
Lacolle has a seasonal temperature swing of 55°F / from 15°F in January to 69°F in July. Total annual precipitation is 34.7 inches, with July being the wettest month (3.9") and February the driest (1.5").