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Weather & Climate in Ormstown, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ormstown 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 266 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 38.7 inches. The area receives 10.2 inches of snow annually. The city sits at an elevation of 141 feet.
Temperature
14°F Jan (-10°C)
69°F Jul (21°C)
| Annual Average | 43.1°F |
| 20% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 266 days/yr |
Geography
| Elevation | 141 ft (43 m) |
| Area | 54.9 sq mi (142.2 km²) |
| Population Density | 71/sq mi |
| Coordinates | 45.1334°N, 73.9992°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
152 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| Jun 23, 2010 | 29 km NNE of Val-des-Monts, Canada | M5.4 | 142 km | 19 km |
| Apr 20, 2002 | 8 km NNW of Au Sable Forks, New York | M5.3 | 73 km | 5 km |
| Mar 14, 1996 | 7 km WNW of Saint-Adolphe-d'Howard, Canada | M4.5 | 101 km | 18 km |
| May 17, 1991 | 7 km WNW of Rigaud, Canada | M4.4 | 51 km | 18 km |
| Oct 31, 1999 | 7 km SW of Morin-Heights, Canada | M4.2 | 84 km | 18 km |
| May 24, 1997 | 6 km W of Saint-Adolphe-d'Howard, Canada | M4.2 | 100 km | 10 km |
| Apr 18, 1998 | 4 km N of Plantagenet, Canada | M4.1 | 91 km | 18 km |
| Nov 17, 1992 | 16 km ENE of Saint-André-Avellin, Canada | M4.0 | 97 km | 18 km |
| Aug 6, 2000 | 7 km SSW of La Minerve, Canada | M4.0 | 140 km | 18 km |
| Feb 25, 2006 | 4 km NE of Thurso, Canada | M4.0 | 109 km | 11 km |
| Oct 10, 2012 | 7 km ESE of Verchères, Canada | M3.9 | 90 km | 9 km |
| Jul 30, 1993 | 1 km NE of Salaberry-de-Valleyfield, Canada | M3.9 | 17 km | 8 km |
| Mar 16, 2011 | 6 km ENE of Hawkesbury, Canada | M3.9 | 68 km | 10 km |
| Sep 18, 2011 | 1 km E of Thurso, Canada | M3.8 | 110 km | 5 km |
| Sep 23, 1993 | 11 km SE of La Conception, Canada | M3.8 | 114 km | 18 km |
| Apr 20, 2000 | 7 km WSW of Newcomb, New York | M3.8 | 133 km | 5 km |
| Nov 16, 1993 | 5 km SSE of Saint-Édouard, Canada | M3.8 | 40 km | 17 km |
| Oct 6, 2000 | 1 km WSW of Ormstown, Canada | M3.8 | 2 km | 18 km |
| Jul 30, 1998 | 0 km ENE of Lac-Simon, Canada | M3.8 | 128 km | 10 km |
| Jul 5, 1991 | 7 km WSW of Sainte-Martine, Canada | M3.8 | 14 km | 18 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 15.0 m (49 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1908 | NOTRE DAME DE LA SALETTE | Meteorological | 15.0 m | 33 | 144 km |
Source: NOAA/NCEI Historical Tsunami Database.
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 | 41 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 14°F (-10°C) | 2.6 in | Coldest |
| February | 17°F (-9°C) | 2.2 in | Driest |
| March | 28°F (-2°C) | 2.4 in | |
| April | 42°F (5°C) | 3.1 in | |
| May | 55°F (13°C) | 3.4 in | |
| June | 64°F (18°C) | 3.6 in | |
| July | 69°F (21°C) | 3.8 in | Warmest |
| August | 67°F (19°C) | 3.9 in | Wettest |
| September | 58°F (15°C) | 3.7 in | |
| October | 47°F (8°C) | 3.6 in | |
| November | 36°F (2°C) | 3.4 in | |
| December | 22°F (-6°C) | 3.0 in |
Ormstown has a seasonal temperature swing of 55°F / from 14°F in January to 69°F in July. Total annual precipitation is 38.7 inches, with August being the wettest month (3.9") and February the driest (2.2").