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Sainte-Marthe-sur-le-Lac, QC

Full City Profile · Quebec

3.5 /5.0
B+ Good
19,797 Population 5,873/sq mi density
$97,000 Median Income $53,450 per capita
$344,000 Home Value
$1,000 Median Rent 10.0% income on rent
47°F Avg Temperature 234 sunny days/yr
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$97,000 median income, 5.2% unemployment
A+
Affordability
4.7 / 5.0
$344,000 home value, $1,000/mo rent
C+
Safety
2.5 / 5.0
C
Education
2.1 / 5.0
13.9% bachelor's degree or higher
Sainte-Marthe-sur-le-Lac experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 24°F in January while summers reach 72°F in July. The area gets 234 sunny days per year. Annual precipitation totals 49.4 inches. The area receives 73.4 inches of snow annually.

Temperature

24°F Jan (-5°C) 72°F Jul (22°C)
Annual Average47.0°F
13% below US avg
January Average24°F (-5°C)
July Average72°F (22°C)
Sunny Days234 days/yr

Geography

Elevation98 ft (30 m)
Area3.4 sq mi (8.7 km²)
Population Density5,873/sq mi
Coordinates45.5334°N, 73.9325°W
TimezoneAmerica/Toronto

Precipitation & Snow

Annual Rainfall 49.4"
30% above US avg
Snowfall 73.4"
Wettest Month (Nov) 3.82"
Driest Month (Feb) 2.40"

Air Quality

Earthquake History

179 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.4. Most recent: M3.7 on Mar 19, 2025.

Jun 23, 2010 29 km NNE of Val-des-Monts, Canada M5.4 126 km
Apr 20, 2002 8 km NNW of Au Sable Forks, New York M5.3 115 km
Mar 14, 1996 7 km WNW of Saint-Adolphe-d'Howard, Canada M4.5 64 km
May 17, 1991 7 km WNW of Rigaud, Canada M4.4 37 km
Oct 31, 1999 7 km SW of Morin-Heights, Canada M4.2 46 km
May 24, 1997 6 km W of Saint-Adolphe-d'Howard, Canada M4.2 62 km
Apr 18, 1998 4 km N of Plantagenet, Canada M4.1 82 km
Nov 17, 1992 16 km ENE of Saint-André-Avellin, Canada M4.0 77 km
Aug 6, 2000 7 km SSW of La Minerve, Canada M4.0 109 km
Feb 25, 2006 4 km NE of Thurso, Canada M4.0 99 km
Oct 10, 2012 7 km ESE of Verchères, Canada M3.9 57 km
Oct 7, 1990 21 km WNW of La Minerve, Canada M3.9 131 km
Jul 30, 1993 1 km NE of Salaberry-de-Valleyfield, Canada M3.9 34 km
Mar 16, 2011 6 km ENE of Hawkesbury, Canada M3.9 48 km
Sep 18, 2011 1 km E of Thurso, Canada M3.8 102 km
Jul 5, 1991 7 km WSW of Sainte-Martine, Canada M3.8 34 km
Oct 6, 2000 1 km WSW of Ormstown, Canada M3.8 45 km
Nov 16, 1993 5 km SSE of Saint-Édouard, Canada M3.8 52 km
Sep 23, 1993 11 km SE of La Conception, Canada M3.8 79 km
Jul 30, 1998 0 km ENE of Lac-Simon, Canada M3.8 93 km
Source: USGS (M2.5+, 1990–2025)

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 33 132 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Wildfire History

1 wildfire (100+ acres) within 100 km. Largest: FLAT ROCK FIRE (658 ac, 2018).

Year Name Acres Distance
2018 FLAT ROCK FIRE 658 77 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 24°F (-5°C) 3.1 in
February 15°F (-10°C) 2.4 in Coldest, Driest
March 26°F (-3°C) 2.6 in
April 41°F (5°C) 3.2 in
May 55°F (13°C) 3.3 in
June 64°F (18°C) 3.7 in
July 72°F (22°C) 3.5 in Warmest
August 68°F (20°C) 3.6 in
September 59°F (15°C) 3.6 in
October 47°F (8°C) 3.5 in
November 35°F (2°C) 3.8 in Wettest
December 20°F (-7°C) 3.3 in

Sainte-Marthe-sur-le-Lac has a seasonal temperature swing of 57°F / from 15°F in February to 72°F in July. Total annual precipitation is 39.6 inches, with November being the wettest month (3.8") and February the driest (2.4").

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