Weather & Climate in Strong, ON

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

Strong has a cool climate with an average annual temperature of 40°F (4°C). Winters average 11°F in January while summers reach 65°F in July. Annual precipitation totals 39.1 inches. The area receives 14.3 inches of snow annually. The city sits at an elevation of 1,089 feet.

Temperature

11°F Jan (-12°C) 65°F Jul (18°C)
Annual Average39.5°F
27% below US avg
January Average11°F (-12°C)
July Average65°F (18°C)

Geography

Elevation1,089 ft (332 m)
Area61.3 sq mi (158.9 km²)
Population Density26/sq mi
Coordinates45.7391°N, 79.4700°W
TimezoneAmerica/Toronto

Precipitation & Snow

Annual Rainfall 39.1"
3% above US avg
Snowfall 14.3"
Wettest Month (Sep) 4.37"
Driest Month (Feb) 2.17"

Air Quality

Earthquake History

7 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.

Jan 1, 2000 17 km NNE of Notre-Dame-du-Lac, Canada M4.7 134 km 18 km
Mar 9, 1998 Ontario, Canada M3.9 149 km 1 km
Mar 13, 2005 5 km N of Greater Sudbury, Canada M3.6 147 km 18 km
Oct 10, 1995 southern Quebec, Canada M3.5 93 km 18 km
May 2, 2015 12 km NE of Notre-Dame-du-Lac, Canada M3.3 128 km 18 km
Jul 29, 2012 17 km SSW of Parry Sound, Canada M2.5 78 km 5 km
May 17, 2010 19 km WNW of Gravenhurst, Canada M2.5 81 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.

Tsunami History

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

Year Location Cause Max Wave Deaths Distance
1855 OWEN SOUND, LAKE HURON Unknown 2.7 m - 145 km
Source: NOAA/NCEI Historical Tsunami Database.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 11°F (-12°C) 2.9 in Coldest
February 13°F (-10°C) 2.2 in Driest
March 24°F (-5°C) 2.4 in
April 38°F (3°C) 2.6 in
May 51°F (11°C) 3.5 in
June 60°F (15°C) 3.2 in
July 65°F (18°C) 3.5 in Warmest
August 63°F (17°C) 3.6 in
September 55°F (13°C) 4.4 in Wettest
October 44°F (7°C) 4.1 in
November 32°F (0°C) 3.8 in
December 19°F (-8°C) 3.1 in

Strong has a seasonal temperature swing of 54°F / from 11°F in January to 65°F in July. Total annual precipitation is 39.1 inches, with September being the wettest month (4.4") and February the driest (2.2").

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