Saint-Mathias-sur-Richelieu, QC

Full City Profile · Quebec

3.3 /5.0

B Good

4,544 Population 250/sq mi density

$85,000 Median Income $50,600 per capita

$348,000 Home Value

$810 Median Rent 10.5% income on rent

43°F Avg Temperature 263 sunny days/yr

Overall

3.3 / 5.0

Good overall score based on economy, affordability, safety and education

Economy

4.4 / 5.0

$85,000 median income, 3.2% unemployment

Affordability

4.4 / 5.0

$348,000 home value, $810/mo rent

C+

Safety

2.5 / 5.0

Education

1.8 / 5.0

9.7% bachelor's degree or higher

Saint-Mathias-sur-Richelieu has a cool climate with an average annual temperature of 43°F (6°C). Winters average 13°F in January while summers reach 69°F in July. The area gets 263 sunny days per year. Annual precipitation totals 40.2 inches. The area receives 14.8 inches of snow annually.

Temperature

13°F Jan (-10°C) 69°F Jul (21°C)

Annual Average	43.0°F
	20% below US avg
January Average	13°F (-10°C)
July Average	69°F (21°C)
Sunny Days	263 days/yr

Geography

Elevation	39 ft (12 m)
Area	18.2 sq mi (47.0 km²)
Population Density	250/sq mi
Coordinates	45.4668°N, 73.2659°W
Timezone	America/Montreal

Precipitation & Snow

Annual Rainfall 40.2"

6% above US avg

Snowfall 14.8"

Wettest Month (Jul) 3.98"

Driest Month (Feb) 2.32"

Air Quality

Earthquake History

110 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.3. Most recent: M2.5 on Jan 1, 2025.

Apr 20, 2002	8 km NNW of Au Sable Forks, New York	M5.3	111 km
Mar 14, 1996	7 km WNW of Saint-Adolphe-d'Howard, Canada	M4.5	108 km
May 17, 1991	7 km WNW of Rigaud, Canada	M4.4	89 km
May 24, 1997	6 km W of Saint-Adolphe-d'Howard, Canada	M4.2	106 km
Oct 31, 1999	7 km SW of Morin-Heights, Canada	M4.2	92 km
Apr 18, 1998	4 km N of Plantagenet, Canada	M4.1	135 km
Nov 17, 1992	16 km ENE of Saint-André-Avellin, Canada	M4.0	129 km
Oct 10, 2012	7 km ESE of Verchères, Canada	M3.9	32 km
Jul 30, 1993	1 km NE of Salaberry-de-Valleyfield, Canada	M3.9	71 km
Mar 16, 2011	6 km ENE of Hawkesbury, Canada	M3.9	100 km
Jul 30, 1998	0 km ENE of Lac-Simon, Canada	M3.8	137 km
Oct 6, 2000	1 km WSW of Ormstown, Canada	M3.8	70 km
Sep 23, 1993	11 km SE of La Conception, Canada	M3.8	123 km
Nov 16, 1993	5 km SSE of Saint-Édouard, Canada	M3.8	36 km
Jul 5, 1991	7 km WSW of Sainte-Martine, Canada	M3.8	56 km
Feb 11, 2002	2 km WNW of Notre-Dame-des-Prairies, Canada	M3.8	68 km
Sep 1, 2024	5 km SE of Pierreville, Canada	M3.8	75 km
Nov 6, 2012	Ontario-Quebec border region, Canada	M3.7	105 km
Jan 9, 2006	2 km ESE of Franklin, Canada	M3.7	69 km
Apr 8, 2003	17 km ESE of Saint Regis Falls, New York	M3.7	127 km

Source: USGS (M2.5+, 1990–2025)

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	73 km

Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	13°F (-10°C)	2.8 in	Coldest
February	16°F (-9°C)	2.3 in	Driest
March	27°F (-3°C)	2.6 in
April	42°F (5°C)	3.2 in
May	55°F (13°C)	3.4 in
June	65°F (18°C)	3.7 in
July	69°F (21°C)	4.0 in	Warmest, Wettest
August	67°F (20°C)	3.9 in
September	59°F (15°C)	3.7 in
October	47°F (8°C)	3.6 in
November	36°F (2°C)	3.7 in
December	21°F (-6°C)	3.4 in

Saint-Mathias-sur-Richelieu has a seasonal temperature swing of 56°F / from 13°F in January to 69°F in July. Total annual precipitation is 40.2 inches, with July being the wettest month (4.0") and February the driest (2.3").

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