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Weather & Climate in Berthier-sur-Mer, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Berthier-sur-Mer has a cool climate with an average annual temperature of 40°F (4°C). Winters average 9°F in January while summers reach 66°F in July. The area gets 257 sunny days per year, above the national average. Annual precipitation totals 43.6 inches. The area receives 13.9 inches of snow annually. The city sits at an elevation of 39 feet.
Temperature
9°F Jan (-13°C)
66°F Jul (19°C)
| Annual Average | 39.5°F |
| 27% below US avg | |
| January Average | 9°F (-13°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 257 days/yr |
Geography
| Elevation | 39 ft (12 m) |
| Area | 10.4 sq mi (26.9 km²) |
| Population Density | 168/sq mi |
| Coordinates | 46.9265°N, 70.7313°W |
| Timezone | America/Montreal |
Precipitation & Snow
Air Quality
Earthquake History
93 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 | 119 km | 13 km |
| Oct 28, 1997 | 18 km E of La Malbaie, Canada | M4.8 | 103 km | 12 km |
| Nov 6, 1997 | 4 km W of L'Ancienne-Lorette, Canada | M4.8 | 54 km | 23 km |
| Jul 11, 2013 | 13 km WSW of Saint-Siméon, Canada | M4.4 | 111 km | 15 km |
| Dec 12, 2012 | 14 km WSW of Saint-Siméon, Canada | M4.4 | 108 km | 5 km |
| Jul 12, 2000 | 46 km W of Baie-Saint-Paul, Canada | M4.2 | 72 km | 10 km |
| Jun 13, 2003 | 6 km NE of La Malbaie, Canada | M4.1 | 99 km | 11 km |
| Sep 25, 1994 | 10 km SW of Saint-Siméon, Canada | M4.1 | 110 km | 17 km |
| Feb 24, 2012 | 6 km SW of La Malbaie, Canada | M4.0 | 86 km | 1 km |
| Aug 4, 2012 | 24 km SSW of Baie-Saint-Paul, Canada | M3.8 | 36 km | 18 km |
| Dec 30, 1993 | 10 km E of Baie-Saint-Paul, Canada | M3.8 | 65 km | 7 km |
| Aug 17, 2002 | 12 km S of Baie-Saint-Paul, Canada | M3.8 | 48 km | 13 km |
| Jan 21, 2015 | 13 km W of La Pocatière, Canada | M3.7 | 63 km | 15 km |
| Aug 20, 1997 | 17 km SW of La Malbaie, Canada | M3.7 | 75 km | 18 km |
| Jun 15, 2000 | 16 km N of Saint-Pascal, Canada | M3.7 | 108 km | 11 km |
| Apr 7, 2006 | 16 km S of Baie-Saint-Paul, Canada | M3.7 | 45 km | 0 km |
| Dec 8, 1991 | 17 km SSE of Saint-Siméon, Canada | M3.6 | 111 km | 18 km |
| Jul 23, 2010 | 18 km S of Saint-Antoine-de-Tilly, Canada | M3.5 | 83 km | 18 km |
| Aug 27, 2011 | 24 km SSW of Montmagny, Canada | M3.5 | 17 km | 18 km |
| Dec 1, 1993 | 15 km SSE of La Malbaie, Canada | M3.5 | 84 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 9°F (-13°C) | 2.7 in | Coldest |
| February | 12°F (-11°C) | 2.1 in | Driest |
| March | 23°F (-5°C) | 2.4 in | |
| April | 37°F (3°C) | 3.1 in | |
| May | 51°F (11°C) | 4.2 in | |
| June | 61°F (16°C) | 4.5 in | |
| July | 66°F (19°C) | 4.9 in | Warmest, Wettest |
| August | 65°F (18°C) | 4.6 in | |
| September | 56°F (13°C) | 4.3 in | |
| October | 44°F (7°C) | 4.1 in | |
| November | 33°F (0°C) | 3.8 in | |
| December | 17°F (-8°C) | 2.8 in |
Berthier-sur-Mer has a seasonal temperature swing of 57°F / from 9°F in January to 66°F in July. Total annual precipitation is 43.6 inches, with July being the wettest month (4.9") and February the driest (2.1").