Weather & Climate in Essa, ON

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

Essa has a cool climate with an average annual temperature of 43°F (6°C). Winters average 17°F in January while summers reach 68°F in July. Annual precipitation totals 33.3 inches. The area receives 8.8 inches of snow annually. The city sits at an elevation of 751 feet.

Temperature

17°F Jan (-8°C) 68°F Jul (20°C)
Annual Average43.1°F
20% below US avg
January Average17°F (-8°C)
July Average68°F (20°C)

Geography

Elevation751 ft (229 m)
Area108.1 sq mi (279.9 km²)
Population Density213/sq mi
Coordinates44.2344°N, 79.8064°W
TimezoneAmerica/Toronto

Precipitation & Snow

Annual Rainfall 33.3"
12% below US avg
Snowfall 8.8"
Wettest Month (Sep) 3.39"
Driest Month (Feb) 2.01"

Air Quality

Earthquake History

13 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.

Nov 26, 1999 14 km ESE of Centennial Scarborough, Canada M3.8 87 km 13 km
May 24, 2000 4 km ENE of Centennial Scarborough, Canada M3.1 74 km 18 km
May 8, 2018 14 km SSE of Ajax, Canada M3.0 88 km 5 km
Aug 4, 2004 30 km SSW of Cobourg, Canada M3.0 138 km 5 km
Jul 19, 2007 27 km S of Cobourg, Canada M3.0 141 km 5 km
Mar 28, 2005 16 km NW of Virgil, Canada M2.8 110 km 7 km
Dec 21, 2009 10 km NNE of Olcott, New York M2.7 128 km 8 km
Mar 29, 2020 11 km N of Lyndonville, New York M2.6 147 km 5 km
Sep 20, 2009 20 km ESE of Oakville, Canada M2.6 99 km 4 km
Jul 11, 2017 11 km NNW of Barker, New York M2.5 132 km 5 km
Jul 29, 2012 17 km SSW of Parry Sound, Canada M2.5 109 km 5 km
May 17, 2010 19 km WNW of Gravenhurst, Canada M2.5 88 km 5 km
Feb 13, 2014 34 km N of Lyndonville, New York M2.5 131 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 - 127 km
Source: NOAA/NCEI Historical Tsunami Database.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 17°F (-8°C) 2.4 in Coldest
February 17°F (-8°C) 2.0 in Driest
March 26°F (-3°C) 2.1 in
April 40°F (4°C) 2.5 in
May 53°F (11°C) 3.0 in
June 62°F (17°C) 3.3 in
July 68°F (20°C) 3.0 in Warmest
August 67°F (19°C) 3.3 in
September 59°F (15°C) 3.4 in Wettest
October 48°F (9°C) 2.8 in
November 37°F (3°C) 3.2 in
December 25°F (-4°C) 2.4 in

Essa has a seasonal temperature swing of 51°F / from 17°F in January to 68°F in July. Total annual precipitation is 33.3 inches, with September being the wettest month (3.4") and February the driest (2.0").

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