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Weather & Climate in Chatham-Kent, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chatham-Kent experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 25°F in January while summers reach 71°F in July. The area gets 272 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 35.5 inches. The area receives 9.8 inches of snow annually. The city sits at an elevation of 643 feet.
Temperature
25°F Jan (-4°C)
71°F Jul (22°C)
| Annual Average | 48.4°F |
| 10% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 272 days/yr |
Geography
| Elevation | 643 ft (196 m) |
| Area | 946.7 sq mi (2,451.9 km²) |
| Population Density | 110/sq mi |
| Coordinates | 42.3081°N, 82.0789°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
45 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| Jun 10, 2019 | 1 km NW of Timberlake, Ohio | M4.0 | 87 km | 2 km |
| Jan 26, 2001 | 8 km NNW of Edgewood, Ohio | M3.9 | 113 km | 5 km |
| Mar 12, 2007 | Ohio | M3.7 | 128 km | 5 km |
| Jun 30, 2003 | 6 km NW of Perry, Ohio | M3.6 | 92 km | 5 km |
| Oct 16, 1993 | 8 km SSE of Madison, Ohio | M3.6 | 111 km | 5 km |
| Aug 28, 2023 | 7 km SE of Madison, Ohio | M3.6 | 112 km | 5 km |
| Jun 20, 2006 | 9 km WNW of North Perry, Ohio | M3.5 | 87 km | 5 km |
| Mar 15, 1992 | 15 km NW of North Perry, Ohio | M3.5 | 82 km | 5 km |
| Jan 26, 1991 | 1 km NNE of Mayfield Heights, Ohio | M3.4 | 100 km | 5 km |
| Jun 3, 2001 | 3 km N of Edgewood, Ohio | M3.4 | 117 km | 5 km |
| Apr 20, 2018 | Michigan | M3.4 | 80 km | 3 km |
| Jun 30, 2004 | 2 km WNW of Madison, Ohio | M3.3 | 101 km | 5 km |
| Jul 1, 2013 | 5 km NNW of Fairport Harbor, Ohio | M3.2 | 87 km | 5 km |
| Jan 9, 2008 | 6 km WNW of Mentor-on-the-Lake, Ohio | M3.1 | 85 km | 5 km |
| Mar 11, 2006 | 8 km NNW of Mentor-on-the-Lake, Ohio | M3.1 | 82 km | 5 km |
| Feb 23, 2011 | 18 km NE of Leamington, Canada | M3.0 | 33 km | 5 km |
| Jun 5, 2011 | 5 km W of Lodi, Ohio | M3.0 | 142 km | 5 km |
| Apr 25, 2010 | 2 km WNW of Madison, Ohio | M3.0 | 101 km | 5 km |
| Feb 23, 1995 | 3 km W of Ashtabula, Ohio | M2.9 | 114 km | 5 km |
| Apr 12, 2007 | 11 km NW of Put-in-Bay, Ohio | M2.8 | 96 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 | - | 89 km |
| 1952 | LAKE HURON, MI | Avalanche | 1.5 m | - | 92 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 2.3 in | Coldest |
| February | 26°F (-4°C) | 2.1 in | Driest |
| March | 34°F (1°C) | 2.5 in | |
| April | 44°F (7°C) | 3.2 in | |
| May | 56°F (13°C) | 3.2 in | |
| June | 66°F (19°C) | 3.2 in | |
| July | 71°F (22°C) | 3.3 in | Warmest |
| August | 70°F (21°C) | 3.4 in | |
| September | 64°F (18°C) | 3.5 in | Wettest |
| October | 53°F (12°C) | 2.6 in | |
| November | 42°F (6°C) | 3.3 in | |
| December | 32°F (-0°C) | 2.9 in |
Chatham-Kent has a seasonal temperature swing of 47°F / from 25°F in January to 71°F in July. Total annual precipitation is 35.5 inches, with September being the wettest month (3.5") and February the driest (2.1").