Selwyn, ON

Full City Profile · Ontario

2.8 /5.0
C+ Fair
18,653 Population 153/sq mi density
$95,000 Median Income $56,550 per capita
$624,000 Home Value
$1,260 Median Rent 14.5% income on rent
43°F Avg Temperature
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$95,000 median income, 10.5% unemployment
C+
Affordability
3.0 / 5.0
$624,000 home value, $1,260/mo rent
C+
Safety
2.5 / 5.0
C
Education
2.3 / 5.0
16.0% bachelor's degree or higher
Selwyn has a cool climate with an average annual temperature of 43°F (6°C). Winters average 15°F in January while summers reach 68°F in July. Annual precipitation totals 35.8 inches. The area receives 13.9 inches of snow annually.

Temperature

15°F Jan (-9°C) 68°F Jul (20°C)
Annual Average42.7°F
21% below US avg
January Average15°F (-9°C)
July Average68°F (20°C)

Geography

Elevation919 ft (280 m)
Area122.1 sq mi (316.1 km²)
Population Density153/sq mi
Coordinates44.4653°N, 78.3180°W
TimezoneAmerica/Toronto

Precipitation & Snow

Annual Rainfall 35.8"
6% below US avg
Snowfall 13.9"
Wettest Month (Nov) 3.62"
Driest Month (Feb) 2.17"

Air Quality

Earthquake History

16 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.8. Most recent: M2.6 on Mar 29, 2020.

Nov 26, 1999 14 km ESE of Centennial Scarborough, Canada M3.8 100 km
Dec 25, 1998 23 km SE of Cobourg, Canada M3.6 77 km
Oct 20, 2013 34 km SSW of Petawawa, Canada M3.6 144 km
May 24, 2000 4 km ENE of Centennial Scarborough, Canada M3.1 96 km
May 8, 2018 14 km SSE of Ajax, Canada M3.0 96 km
Aug 4, 2004 30 km SSW of Cobourg, Canada M3.0 86 km
Nov 7, 2002 13 km SSW of Belleville, Canada M3.0 85 km
Jul 19, 2007 27 km S of Cobourg, Canada M3.0 84 km
Mar 28, 2005 16 km NW of Virgil, Canada M2.8 149 km
Dec 21, 2009 10 km NNE of Olcott, New York M2.7 119 km
Aug 11, 2007 4 km N of Kingston, Canada M2.6 148 km
Mar 29, 2020 11 km N of Lyndonville, New York M2.6 116 km
Sep 20, 2009 20 km ESE of Oakville, Canada M2.6 150 km
Jul 11, 2017 11 km NNW of Barker, New York M2.5 117 km
May 17, 2010 19 km WNW of Gravenhurst, Canada M2.5 116 km
Feb 13, 2014 34 km N of Lyndonville, New York M2.5 92 km
Source: USGS (M2.5+, 1990-2025)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 15°F (-9°C) 2.8 in Coldest
February 18°F (-8°C) 2.2 in Driest
March 28°F (-3°C) 2.4 in
April 42°F (5°C) 2.7 in
May 54°F (12°C) 3.3 in
June 63°F (17°C) 3.2 in
July 68°F (20°C) 2.8 in Warmest
August 66°F (19°C) 3.3 in
September 58°F (14°C) 3.5 in
October 46°F (8°C) 3.1 in
November 35°F (2°C) 3.6 in Wettest
December 22°F (-5°C) 2.9 in

Selwyn has a seasonal temperature swing of 52°F / from 15°F in January to 68°F in July. Total annual precipitation is 35.8 inches, with November being the wettest month (3.6") and February the driest (2.2").

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