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Berthier-sur-Mer, QC

Full City Profile · Quebec

3.4 /5.0
B Good
1,744 Population 168/sq mi density
$82,000 Median Income $51,160 per capita
$260,000 Home Value
$700 Median Rent 5.1% income on rent
40°F Avg Temperature 257 sunny days/yr
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$82,000 median income, 4.3% unemployment
A+
Affordability
4.9 / 5.0
$260,000 home value, $700/mo rent
C+
Safety
2.5 / 5.0
C
Education
2.0 / 5.0
12.8% bachelor's degree or higher
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. Annual precipitation totals 43.6 inches. The area receives 13.9 inches of snow annually.

Temperature

9°F Jan (-13°C) 66°F Jul (19°C)
Annual Average39.5°F
27% below US avg
January Average9°F (-13°C)
July Average66°F (19°C)
Sunny Days257 days/yr

Geography

Elevation39 ft (12 m)
Area10.4 sq mi (26.9 km²)
Population Density168/sq mi
Coordinates46.9265°N, 70.7313°W
TimezoneAmerica/Montreal

Precipitation & Snow

Annual Rainfall 43.6"
15% above US avg
Snowfall 13.9"
Wettest Month (Jul) 4.92"
Driest Month (Feb) 2.13"

Air Quality

Earthquake History

93 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.9. Most recent: M2.6 on Jul 25, 2025.

Mar 6, 2005 15 km SE of Saint-Siméon, Canada M4.9 119 km
Oct 28, 1997 18 km E of La Malbaie, Canada M4.8 103 km
Nov 6, 1997 4 km W of L'Ancienne-Lorette, Canada M4.8 54 km
Jul 11, 2013 13 km WSW of Saint-Siméon, Canada M4.4 111 km
Dec 12, 2012 14 km WSW of Saint-Siméon, Canada M4.4 108 km
Jul 12, 2000 46 km W of Baie-Saint-Paul, Canada M4.2 72 km
Jun 13, 2003 6 km NE of La Malbaie, Canada M4.1 99 km
Sep 25, 1994 10 km SW of Saint-Siméon, Canada M4.1 110 km
Feb 24, 2012 6 km SW of La Malbaie, Canada M4.0 86 km
Aug 4, 2012 24 km SSW of Baie-Saint-Paul, Canada M3.8 36 km
Dec 30, 1993 10 km E of Baie-Saint-Paul, Canada M3.8 65 km
Aug 17, 2002 12 km S of Baie-Saint-Paul, Canada M3.8 48 km
Jan 21, 2015 13 km W of La Pocatière, Canada M3.7 63 km
Aug 20, 1997 17 km SW of La Malbaie, Canada M3.7 75 km
Jun 15, 2000 16 km N of Saint-Pascal, Canada M3.7 108 km
Apr 7, 2006 16 km S of Baie-Saint-Paul, Canada M3.7 45 km
Dec 8, 1991 17 km SSE of Saint-Siméon, Canada M3.6 111 km
Jul 23, 2010 18 km S of Saint-Antoine-de-Tilly, Canada M3.5 83 km
Aug 27, 2011 24 km SSW of Montmagny, Canada M3.5 17 km
Dec 1, 1993 15 km SSE of La Malbaie, Canada M3.5 84 km
Source: USGS (M2.5+, 1990–2025)

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").

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