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Weather & Climate in L'Ascension, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
L'Ascension has a cool climate with an average annual temperature of 37°F (3°C). Winters average 6°F in January while summers reach 64°F in July. The area gets 261 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 41.2 inches. The area receives 17.1 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 850 feet.
Temperature
6°F Jan (-15°C)
64°F Jul (18°C)
| Annual Average | 36.9°F |
| 32% below US avg | |
| January Average | 6°F (-15°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 261 days/yr |
Geography
| Elevation | 850 ft (259 m) |
| Area | 129.3 sq mi (334.8 km²) |
| Population Density | 7/sq mi |
| Coordinates | 46.5503°N, 74.8299°W |
| Timezone | America/Montreal |
Precipitation & Snow
Air Quality
Earthquake History
157 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 | 89 km | 19 km |
| May 17, 2013 | 20 km NNE of Shawville, Canada | M5.1 | 147 km | 13 km |
| Oct 19, 1990 | 11 km SW of Mont-Laurier, Canada | M4.6 | 59 km | 13 km |
| Mar 14, 1996 | 7 km WNW of Saint-Adolphe-d'Howard, Canada | M4.5 | 70 km | 18 km |
| May 17, 1991 | 7 km WNW of Rigaud, Canada | M4.4 | 121 km | 18 km |
| Dec 25, 1993 | 9 km WSW of Mont-Laurier, Canada | M4.3 | 60 km | 18 km |
| Oct 12, 2003 | 63 km NNW of Saint-Boniface, Canada | M4.2 | 128 km | 18 km |
| May 24, 1997 | 6 km W of Saint-Adolphe-d'Howard, Canada | M4.2 | 71 km | 10 km |
| Oct 31, 1999 | 7 km SW of Morin-Heights, Canada | M4.2 | 87 km | 18 km |
| Nov 15, 1990 | 72 km NNW of Saint-Boniface, Canada | M4.1 | 124 km | 18 km |
| Apr 18, 1998 | 4 km N of Plantagenet, Canada | M4.1 | 110 km | 18 km |
| Nov 17, 1992 | 16 km ENE of Saint-André-Avellin, Canada | M4.0 | 88 km | 18 km |
| Aug 6, 2000 | 7 km SSW of La Minerve, Canada | M4.0 | 42 km | 18 km |
| Feb 25, 2006 | 4 km NE of Thurso, Canada | M4.0 | 107 km | 11 km |
| Oct 10, 2012 | 7 km ESE of Verchères, Canada | M3.9 | 149 km | 9 km |
| Mar 19, 2001 | 65 km NNW of Saint-Boniface, Canada | M3.9 | 124 km | 18 km |
| Oct 7, 1990 | 21 km WNW of La Minerve, Canada | M3.9 | 38 km | 18 km |
| Mar 16, 2011 | 6 km ENE of Hawkesbury, Canada | M3.9 | 106 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 | 57 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 | 105 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 6°F (-15°C) | 2.8 in | Coldest |
| February | 9°F (-13°C) | 2.3 in | Driest |
| March | 21°F (-6°C) | 2.6 in | |
| April | 36°F (2°C) | 2.8 in | |
| May | 50°F (10°C) | 3.6 in | |
| June | 59°F (15°C) | 4.1 in | |
| July | 64°F (18°C) | 4.4 in | Warmest, Wettest |
| August | 62°F (17°C) | 4.2 in | |
| September | 53°F (12°C) | 4.1 in | |
| October | 42°F (5°C) | 3.7 in | |
| November | 29°F (-2°C) | 3.6 in | |
| December | 13°F (-10°C) | 3.0 in |
L'Ascension has a seasonal temperature swing of 58°F / from 6°F in January to 64°F in July. Total annual precipitation is 41.2 inches, with July being the wettest month (4.4") and February the driest (2.3").