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. 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) |
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").