Wellesley, ON

Full City Profile · Ontario

2.9 /5.0

C+ Fair

11,318 Population 106/sq mi density

$119,000 Median Income $57,650 per capita

$800,000 Home Value

$960 Median Rent 11.0% income on rent

48°F Avg Temperature 231 sunny days/yr

C+

Overall

2.9 / 5.0

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

A+

Economy

4.6 / 5.0

$119,000 median income, 3.9% unemployment

C+

Affordability

2.9 / 5.0

$800,000 home value, $960/mo rent

C+

Safety

2.5 / 5.0

Education

1.8 / 5.0

9.8% bachelor's degree or higher

Wellesley experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 29°F in January while summers reach 69°F in July. The area gets 231 sunny days per year. Annual precipitation totals 37.3 inches. The area receives 53.1 inches of snow annually.

Temperature

29°F Jan (-2°C) 69°F Jul (20°C)

Annual Average	47.7°F
	12% below US avg
January Average	29°F (-2°C)
July Average	69°F (20°C)
Sunny Days	231 days/yr

Geography

Elevation	1,194 ft (364 m)
Area	107.2 sq mi (277.8 km²)
Population Density	106/sq mi
Coordinates	43.4769°N, 80.7621°W
Timezone	America/Toronto

Precipitation & Snow

Annual Rainfall 37.3"

2% below US avg

Snowfall 53.1"

Wettest Month (Nov) 3.82"

Driest Month (Feb) 2.24"

Air Quality

Earthquake History

5 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.8. Most recent: M3.0 on May 8, 2018.

Nov 26, 1999	14 km ESE of Centennial Scarborough, Canada	M3.8	145 km
May 24, 2000	4 km ENE of Centennial Scarborough, Canada	M3.1	139 km
May 8, 2018	14 km SSE of Ajax, Canada	M3.0	149 km
Mar 28, 2005	16 km NW of Virgil, Canada	M2.8	121 km
Sep 20, 2009	20 km ESE of Oakville, Canada	M2.6	107 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	-	133 km
1952	LAKE HURON, MI	Avalanche	1.5 m	-	139 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	29°F (-2°C)	2.9 in
February	20°F (-7°C)	2.2 in	Coldest, Driest
March	29°F (-2°C)	2.4 in
April	42°F (5°C)	3.2 in
May	54°F (12°C)	3.4 in
June	63°F (17°C)	3.3 in
July	69°F (20°C)	3.8 in	Warmest
August	66°F (19°C)	3.6 in
September	59°F (15°C)	3.6 in
October	48°F (9°C)	3.2 in
November	37°F (3°C)	3.8 in	Wettest
December	25°F (-4°C)	3.0 in

Wellesley has a seasonal temperature swing of 49°F / from 20°F in February to 69°F in July. Total annual precipitation is 38.3 inches, with November being the wettest month (3.8") and February the driest (2.2").

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