All Countries
Weather & Climate in Saint-Charles, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint-Charles has a cool climate with an average annual temperature of 42°F (6°C). Winters average 11°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 14.3 inches of snow annually. The city sits at an elevation of 36 feet.
Temperature
11°F Jan (-12°C)
69°F Jul (21°C)
| Annual Average | 42.1°F |
| 22% below US avg | |
| January Average | 11°F (-12°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 266 days/yr |
Geography
| Elevation | 36 ft (11 m) |
| Area | 41.3 sq mi (106.9 km²) |
| Population Density | 36/sq mi |
| Coordinates | 45.7029°N, 73.5542°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
142 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 | 133 km | 5 km |
| Mar 14, 1996 | 7 km WNW of Saint-Adolphe-d'Howard, Canada | M4.5 | 75 km | 18 km |
| May 17, 1991 | 7 km WNW of Rigaud, Canada | M4.4 | 70 km | 18 km |
| May 24, 1997 | 6 km W of Saint-Adolphe-d'Howard, Canada | M4.2 | 74 km | 10 km |
| Oct 31, 1999 | 7 km SW of Morin-Heights, Canada | M4.2 | 62 km | 18 km |
| Apr 18, 1998 | 4 km N of Plantagenet, Canada | M4.1 | 113 km | 18 km |
| Aug 6, 2000 | 7 km SSW of La Minerve, Canada | M4.0 | 122 km | 18 km |
| Nov 17, 1992 | 16 km ENE of Saint-André-Avellin, Canada | M4.0 | 102 km | 18 km |
| Feb 25, 2006 | 4 km NE of Thurso, Canada | M4.0 | 128 km | 11 km |
| Oct 10, 2012 | 7 km ESE of Verchères, Canada | M3.9 | 23 km | 9 km |
| Jul 30, 1993 | 1 km NE of Salaberry-de-Valleyfield, Canada | M3.9 | 66 km | 8 km |
| Oct 7, 1990 | 21 km WNW of La Minerve, Canada | M3.9 | 144 km | 18 km |
| Mar 16, 2011 | 6 km ENE of Hawkesbury, Canada | M3.9 | 77 km | 10 km |
| Sep 18, 2011 | 1 km E of Thurso, Canada | M3.8 | 131 km | 5 km |
| Oct 6, 2000 | 1 km WSW of Ormstown, Canada | M3.8 | 73 km | 18 km |
| Nov 16, 1993 | 5 km SSE of Saint-Édouard, Canada | M3.8 | 58 km | 17 km |
| Jul 5, 1991 | 7 km WSW of Sainte-Martine, Canada | M3.8 | 59 km | 18 km |
| Sep 1, 2024 | 5 km SE of Pierreville, Canada | M3.8 | 73 km | 1 km |
| Sep 23, 1993 | 11 km SE of La Conception, Canada | M3.8 | 91 km | 18 km |
| Jul 30, 1998 | 0 km ENE of Lac-Simon, Canada | M3.8 | 104 km | 10 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 | 93 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 11°F (-12°C) | 2.8 in | Coldest |
| February | 14°F (-10°C) | 2.3 in | |
| March | 25°F (-4°C) | 2.2 in | Driest |
| April | 40°F (5°C) | 3.0 in | |
| May | 54°F (12°C) | 3.5 in | |
| June | 64°F (18°C) | 3.6 in | |
| July | 69°F (21°C) | 3.4 in | Warmest |
| August | 68°F (20°C) | 3.5 in | |
| September | 59°F (15°C) | 3.8 in | Wettest |
| October | 47°F (8°C) | 3.6 in | |
| November | 35°F (2°C) | 3.8 in | |
| December | 20°F (-7°C) | 3.1 in |
Saint-Charles has a seasonal temperature swing of 58°F / from 11°F in January to 69°F in July. Total annual precipitation is 38.7 inches, with September being the wettest month (3.8") and March the driest (2.2").