Weather & Climate in Plympton-Wyoming, ON

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Plympton-Wyoming 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. Annual precipitation totals 36.2 inches. The area receives 10.1 inches of snow annually. The city sits at an elevation of 669 feet.

Temperature

22°F Jan (-5°C) 70°F Jul (21°C)
Annual Average46.5°F
14% below US avg
January Average22°F (-5°C)
July Average70°F (21°C)

Geography

Elevation669 ft (204 m)
Area123.1 sq mi (318.9 km²)
Population Density68/sq mi
Coordinates43.0168°N, 82.0998°W
TimezoneAmerica/Toronto

Precipitation & Snow

Annual Rainfall 36.2"
5% below US avg
Snowfall 10.1"
Wettest Month (Sep) 3.94"
Driest Month (Feb) 2.17"

Air Quality

Earthquake History

12 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.5.

Mar 15, 1992 15 km NW of North Perry, Ohio M3.5 142 km 5 km
Jun 20, 2006 9 km WNW of North Perry, Ohio M3.5 149 km 5 km
Apr 20, 2018 Michigan M3.4 125 km 3 km
Mar 11, 2006 8 km NNW of Mentor-on-the-Lake, Ohio M3.1 149 km 5 km
Feb 23, 2011 18 km NE of Leamington, Canada M3.0 99 km 5 km
Sep 22, 1999 16 km NW of Mentor-on-the-Lake, Ohio M2.8 142 km 18 km
Apr 28, 2002 Ohio M2.7 143 km 5 km
May 14, 2017 18 km ENE of Leamington, Canada M2.6 101 km 5 km
Jan 6, 2006 10 km NW of Mentor-on-the-Lake, Ohio M2.6 149 km 5 km
Mar 8, 2010 7 km ENE of Grosse Ile, Michigan M2.5 124 km 18 km
May 23, 2022 2 km NNW of Corunna, Canada M2.5 31 km 5 km
Feb 17, 2013 31 km E of Leamington, Canada M2.5 112 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.

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 - 121 km
1952 LAKE HURON, MI Avalanche 1.5 m - 26 km
Source: NOAA/NCEI Historical Tsunami Database.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 22°F (-5°C) 2.5 in Coldest
February 23°F (-5°C) 2.2 in Driest
March 31°F (-0°C) 2.4 in
April 42°F (6°C) 3.1 in
May 54°F (12°C) 3.1 in
June 64°F (18°C) 3.2 in
July 70°F (21°C) 3.0 in Warmest
August 69°F (20°C) 3.2 in
September 62°F (17°C) 3.9 in Wettest
October 51°F (11°C) 3.2 in
November 40°F (5°C) 3.5 in
December 29°F (-1°C) 3.0 in

Plympton-Wyoming has a seasonal temperature swing of 47°F / from 22°F in January to 70°F in July. Total annual precipitation is 36.2 inches, with September being the wettest month (3.9") and February the driest (2.2").

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