Perth South, ON

Full City Profile · Ontario

2.9 /5.0

C+ Fair

3,776 Population 25/sq mi density

$101,000 Median Income $56,250 per capita

$620,000 Home Value

$1,120 Median Rent 13.9% income on rent

45°F Avg Temperature 262 sunny days/yr

C+

Overall

2.9 / 5.0

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

Economy

4.1 / 5.0

$101,000 median income, 7.3% unemployment

Affordability

3.2 / 5.0

$620,000 home value, $1,120/mo rent

C+

Safety

2.5 / 5.0

Education

1.8 / 5.0

10.2% bachelor's degree or higher

Perth South has a cool climate with an average annual temperature of 45°F (7°C). Winters average 20°F in January while summers reach 68°F in July. The area gets 262 sunny days per year. Annual precipitation totals 40.8 inches. The area receives 12.4 inches of snow annually.

Temperature

20°F Jan (-7°C) 68°F Jul (20°C)

Annual Average	44.6°F
	17% below US avg
January Average	20°F (-7°C)
July Average	68°F (20°C)
Sunny Days	262 days/yr

Geography

Elevation	1,093 ft (333 m)
Area	151.3 sq mi (391.9 km²)
Population Density	25/sq mi
Coordinates	43.3117°N, 81.1365°W
Timezone	America/Toronto

Precipitation & Snow

Annual Rainfall 40.8"

7% above US avg

Snowfall 12.4"

Wettest Month (Sep) 4.09"

Driest Month (Feb) 2.60"

Air Quality

Earthquake History

3 earthquakes (M2.5+) within 150 km since 1990. Strongest: M2.8. Most recent: M2.5 on May 23, 2022.

Mar 28, 2005	16 km NW of Virgil, Canada	M2.8	150 km
Sep 20, 2009	20 km ESE of Oakville, Canada	M2.6	138 km
May 23, 2022	2 km NNW of Corunna, Canada	M2.5	116 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	-	114 km
1952	LAKE HURON, MI	Avalanche	1.5 m	-	105 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	20°F (-7°C)	3.2 in	Coldest
February	21°F (-6°C)	2.6 in	Driest
March	30°F (-1°C)	2.9 in
April	42°F (6°C)	3.2 in
May	55°F (13°C)	3.4 in
June	64°F (18°C)	3.2 in
July	68°F (20°C)	3.5 in	Warmest
August	67°F (19°C)	3.5 in
September	60°F (15°C)	4.1 in	Wettest
October	48°F (9°C)	3.5 in
November	37°F (3°C)	4.1 in
December	26°F (-3°C)	3.7 in

Perth South has a seasonal temperature swing of 48°F / from 20°F in January to 68°F in July. Total annual precipitation is 40.8 inches, with September being the wettest month (4.1") and February the driest (2.6").

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