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Weather & Climate in Dutton/Dunwich, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Dutton/Dunwich experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 25°F in January while summers reach 70°F in July. The area gets 267 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 37.8 inches. The area receives 10.6 inches of snow annually. The city sits at an elevation of 748 feet.
Temperature
25°F Jan (-4°C)
70°F Jul (21°C)
| Annual Average | 47.7°F |
| 12% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 267 days/yr |
Geography
| Elevation | 748 ft (228 m) |
| Area | 113.7 sq mi (294.4 km²) |
| Population Density | 37/sq mi |
| Coordinates | 42.6655°N, 81.4893°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
36 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 | 110 km | 2 km |
| Jan 26, 2001 | 8 km NNW of Edgewood, Ohio | M3.9 | 98 km | 5 km |
| Oct 16, 1993 | 8 km SSE of Madison, Ohio | M3.6 | 115 km | 5 km |
| Aug 28, 2023 | 7 km SE of Madison, Ohio | M3.6 | 112 km | 5 km |
| Jun 30, 2003 | 6 km NW of Perry, Ohio | M3.6 | 99 km | 5 km |
| Jun 20, 2006 | 9 km WNW of North Perry, Ohio | M3.5 | 94 km | 5 km |
| Mar 15, 1992 | 15 km NW of North Perry, Ohio | M3.5 | 86 km | 5 km |
| Jan 26, 1991 | 1 km NNE of Mayfield Heights, Ohio | M3.4 | 126 km | 5 km |
| Jun 3, 2001 | 3 km N of Edgewood, Ohio | M3.4 | 103 km | 5 km |
| Apr 20, 2018 | Michigan | M3.4 | 139 km | 3 km |
| Jun 30, 2004 | 2 km WNW of Madison, Ohio | M3.3 | 104 km | 5 km |
| Jul 1, 2013 | 5 km NNW of Fairport Harbor, Ohio | M3.2 | 98 km | 5 km |
| Jan 9, 2008 | 6 km WNW of Mentor-on-the-Lake, Ohio | M3.1 | 105 km | 5 km |
| Mar 11, 2006 | 8 km NNW of Mentor-on-the-Lake, Ohio | M3.1 | 99 km | 5 km |
| Feb 23, 2011 | 18 km NE of Leamington, Canada | M3.0 | 96 km | 5 km |
| Apr 25, 2010 | 2 km WNW of Madison, Ohio | M3.0 | 104 km | 5 km |
| Feb 23, 1995 | 3 km W of Ashtabula, Ohio | M2.9 | 104 km | 5 km |
| Sep 22, 1999 | 16 km NW of Mentor-on-the-Lake, Ohio | M2.8 | 93 km | 18 km |
| Jan 4, 2022 | 3 km NW of Timberlake, Ohio | M2.8 | 109 km | 5 km |
| Mar 8, 2013 | 5 km NNW of Timberlake, Ohio | M2.7 | 106 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 | - | 58 km |
| 1952 | LAKE HURON, MI | Avalanche | 1.5 m | - | 89 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 2.4 in | Coldest |
| February | 26°F (-4°C) | 2.2 in | Driest |
| March | 33°F (0°C) | 2.7 in | |
| April | 43°F (6°C) | 3.4 in | |
| May | 54°F (12°C) | 3.2 in | |
| June | 64°F (18°C) | 3.5 in | |
| July | 70°F (21°C) | 3.2 in | Warmest |
| August | 69°F (21°C) | 3.6 in | |
| September | 63°F (17°C) | 3.6 in | |
| October | 53°F (11°C) | 3.0 in | |
| November | 42°F (6°C) | 3.7 in | Wettest |
| December | 32°F (-0°C) | 3.3 in |
Dutton/Dunwich has a seasonal temperature swing of 45°F / from 25°F in January to 70°F in July. Total annual precipitation is 37.8 inches, with November being the wettest month (3.7") and February the driest (2.2").