Southwest Middlesex, ON

Full City Profile · Ontario

2.8 /5.0

C+ Fair

5,893 Population 36/sq mi density

$80,000 Median Income $43,840 per capita

$400,000 Home Value

$710 Median Rent 13.2% income on rent

47°F Avg Temperature 268 sunny days/yr

C+

Overall

2.8 / 5.0

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

Economy

3.2 / 5.0

$80,000 median income, 9.9% unemployment

B+

Affordability

3.9 / 5.0

$400,000 home value, $710/mo rent

C+

Safety

2.5 / 5.0

Education

1.6 / 5.0

8.0% bachelor's degree or higher

Southwest Middlesex experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 22°F in January while summers reach 70°F in July. The area gets 268 sunny days per year. Annual precipitation totals 37.6 inches. The area receives 10.6 inches of snow annually.

Temperature

22°F Jan (-6°C) 70°F Jul (21°C)

Annual Average	46.8°F
	13% below US avg
January Average	22°F (-6°C)
July Average	70°F (21°C)
Sunny Days	268 days/yr

Geography

Elevation	728 ft (222 m)
Area	165.2 sq mi (427.8 km²)
Population Density	36/sq mi
Coordinates	42.7426°N, 81.7035°W
Timezone	America/Toronto

Precipitation & Snow

Annual Rainfall 37.6"

1% below US avg

Snowfall 10.6"

Wettest Month (Sep) 3.78"

Driest Month (Feb) 2.28"

Air Quality

Earthquake History

36 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.0. Most recent: M2.5 on May 12, 2025.

Jun 10, 2019	1 km NW of Timberlake, Ohio	M4.0	120 km
Jan 26, 2001	8 km NNW of Edgewood, Ohio	M3.9	116 km
Oct 16, 1993	8 km SSE of Madison, Ohio	M3.6	129 km
Aug 28, 2023	7 km SE of Madison, Ohio	M3.6	128 km
Jun 30, 2003	6 km NW of Perry, Ohio	M3.6	113 km
Mar 15, 1992	15 km NW of North Perry, Ohio	M3.5	100 km
Jun 20, 2006	9 km WNW of North Perry, Ohio	M3.5	108 km
Apr 20, 2018	Michigan	M3.4	128 km
Jun 3, 2001	3 km N of Edgewood, Ohio	M3.4	121 km
Jan 26, 1991	1 km NNE of Mayfield Heights, Ohio	M3.4	136 km
Jun 30, 2004	2 km WNW of Madison, Ohio	M3.3	119 km
Jul 1, 2013	5 km NNW of Fairport Harbor, Ohio	M3.2	111 km
Jan 9, 2008	6 km WNW of Mentor-on-the-Lake, Ohio	M3.1	116 km
Mar 11, 2006	8 km NNW of Mentor-on-the-Lake, Ohio	M3.1	110 km
Feb 23, 2011	18 km NE of Leamington, Canada	M3.0	88 km
Apr 25, 2010	2 km WNW of Madison, Ohio	M3.0	119 km
Feb 23, 1995	3 km W of Ashtabula, Ohio	M2.9	121 km
Jan 4, 2022	3 km NW of Timberlake, Ohio	M2.8	119 km
Sep 22, 1999	16 km NW of Mentor-on-the-Lake, Ohio	M2.8	104 km
Mar 8, 2013	5 km NNW of Timberlake, Ohio	M2.7	117 km

Source: USGS (M2.5+, 1990-2025)

Tsunami History

2 tsunamis recorded within 500 km. Highest wave on record: 2.7 m (9 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1823	LAKE ERIE	Unknown	2.7 m	-	77 km
1952	LAKE HURON, MI	Avalanche	1.5 m	-	69 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	22°F (-6°C)	2.6 in	Coldest
February	23°F (-5°C)	2.3 in	Driest
March	32°F (0°C)	2.6 in
April	44°F (6°C)	3.4 in
May	56°F (13°C)	3.2 in
June	65°F (18°C)	3.3 in
July	70°F (21°C)	3.2 in	Warmest
August	69°F (20°C)	3.4 in
September	62°F (17°C)	3.8 in	Wettest
October	51°F (10°C)	3.0 in
November	40°F (4°C)	3.7 in
December	29°F (-2°C)	3.2 in

Southwest Middlesex has a seasonal temperature swing of 48°F / from 22°F in January to 70°F in July. Total annual precipitation is 37.6 inches, with September being the wettest month (3.8") and February the driest (2.3").

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