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Weather & Climate in Saint-Omer, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint-Omer has a cool climate with an average annual temperature of 36°F (2°C). Winters average 7°F in January while summers reach 63°F in July. The area gets 258 sunny days per year, above the national average. Annual precipitation totals 43.2 inches. The area receives 18.1 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 1,325 feet.
Temperature
7°F Jan (-14°C)
63°F Jul (17°C)
| Annual Average | 36.3°F |
| 33% below US avg | |
| January Average | 7°F (-14°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 258 days/yr |
Geography
| Elevation | 1,325 ft (404 m) |
| Area | 47.3 sq mi (122.4 km²) |
| Population Density | 6/sq mi |
| Coordinates | 47.0598°N, 69.7282°W |
| Timezone | America/Montreal |
Precipitation & Snow
Air Quality
Earthquake History
94 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Mar 6, 2005 | 15 km SE of Saint-Siméon, Canada | M4.9 | 77 km | 13 km |
| Oct 28, 1997 | 18 km E of La Malbaie, Canada | M4.8 | 69 km | 12 km |
| Nov 6, 1997 | 4 km W of L'Ancienne-Lorette, Canada | M4.8 | 131 km | 23 km |
| Jul 11, 2013 | 13 km WSW of Saint-Siméon, Canada | M4.4 | 87 km | 15 km |
| Dec 12, 2012 | 14 km WSW of Saint-Siméon, Canada | M4.4 | 84 km | 5 km |
| Jul 12, 2000 | 46 km W of Baie-Saint-Paul, Canada | M4.2 | 115 km | 10 km |
| Sep 25, 1994 | 10 km SW of Saint-Siméon, Canada | M4.1 | 81 km | 17 km |
| Jun 13, 2003 | 6 km NE of La Malbaie, Canada | M4.1 | 76 km | 11 km |
| Feb 24, 2012 | 6 km SW of La Malbaie, Canada | M4.0 | 72 km | 1 km |
| Jul 14, 2006 | 13 km SW of Winterville, Maine | M3.9 | 82 km | 14 km |
| Dec 30, 1993 | 10 km E of Baie-Saint-Paul, Canada | M3.8 | 65 km | 7 km |
| Jun 16, 2011 | 11 km ENE of Sacré-Coeur, Canada | M3.8 | 134 km | 23 km |
| Aug 17, 2002 | 12 km S of Baie-Saint-Paul, Canada | M3.8 | 66 km | 13 km |
| Aug 4, 2012 | 24 km SSW of Baie-Saint-Paul, Canada | M3.8 | 69 km | 18 km |
| Jun 15, 2000 | 16 km N of Saint-Pascal, Canada | M3.7 | 68 km | 11 km |
| Jan 21, 2015 | 13 km W of La Pocatière, Canada | M3.7 | 51 km | 15 km |
| Aug 20, 1997 | 17 km SW of La Malbaie, Canada | M3.7 | 67 km | 18 km |
| Apr 7, 2006 | 16 km S of Baie-Saint-Paul, Canada | M3.7 | 62 km | 0 km |
| Dec 8, 1991 | 17 km SSE of Saint-Siméon, Canada | M3.6 | 71 km | 18 km |
| Aug 7, 2010 | 8 km WNW of Montmagny, Canada | M3.5 | 70 km | 25 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 7°F (-14°C) | 3.0 in | Coldest |
| February | 10°F (-12°C) | 2.5 in | Driest |
| March | 21°F (-6°C) | 2.9 in | |
| April | 34°F (1°C) | 2.9 in | |
| May | 48°F (9°C) | 4.0 in | |
| June | 58°F (14°C) | 4.1 in | |
| July | 63°F (17°C) | 4.7 in | Warmest, Wettest |
| August | 61°F (16°C) | 4.5 in | |
| September | 52°F (11°C) | 4.1 in | |
| October | 41°F (5°C) | 3.7 in | |
| November | 29°F (-2°C) | 3.6 in | |
| December | 14°F (-10°C) | 3.2 in |
Saint-Omer has a seasonal temperature swing of 56°F / from 7°F in January to 63°F in July. Total annual precipitation is 43.1 inches, with July being the wettest month (4.7") and February the driest (2.5").