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Weather & Climate in Southwold, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Southwold experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 22°F in January while summers reach 69°F in July. The area gets 265 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 39.0 inches. The area receives 11.2 inches of snow annually. The city sits at an elevation of 712 feet.
Temperature
22°F Jan (-6°C)
69°F Jul (21°C)
| Annual Average | 46.5°F |
| 14% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 265 days/yr |
Geography
| Elevation | 712 ft (217 m) |
| Area | 116.4 sq mi (301.4 km²) |
| Population Density | 42/sq mi |
| Coordinates | 42.7416°N, 81.3319°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
34 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 | 119 km | 2 km |
| Jan 26, 2001 | 8 km NNW of Edgewood, Ohio | M3.9 | 99 km | 5 km |
| Jun 30, 2003 | 6 km NW of Perry, Ohio | M3.6 | 105 km | 5 km |
| Oct 16, 1993 | 8 km SSE of Madison, Ohio | M3.6 | 119 km | 5 km |
| Aug 28, 2023 | 7 km SE of Madison, Ohio | M3.6 | 116 km | 5 km |
| Jun 20, 2006 | 9 km WNW of North Perry, Ohio | M3.5 | 101 km | 5 km |
| Mar 15, 1992 | 15 km NW of North Perry, Ohio | M3.5 | 93 km | 5 km |
| Jun 3, 2001 | 3 km N of Edgewood, Ohio | M3.4 | 104 km | 5 km |
| Jan 26, 1991 | 1 km NNE of Mayfield Heights, Ohio | M3.4 | 134 km | 5 km |
| Jun 30, 2004 | 2 km WNW of Madison, Ohio | M3.3 | 109 km | 5 km |
| Jul 1, 2013 | 5 km NNW of Fairport Harbor, Ohio | M3.2 | 106 km | 5 km |
| Jan 9, 2008 | 6 km WNW of Mentor-on-the-Lake, Ohio | M3.1 | 114 km | 5 km |
| Mar 11, 2006 | 8 km NNW of Mentor-on-the-Lake, Ohio | M3.1 | 107 km | 5 km |
| Apr 25, 2010 | 2 km WNW of Madison, Ohio | M3.0 | 109 km | 5 km |
| Feb 23, 2011 | 18 km NE of Leamington, Canada | M3.0 | 111 km | 5 km |
| Feb 23, 1995 | 3 km W of Ashtabula, Ohio | M2.9 | 105 km | 5 km |
| Jan 4, 2022 | 3 km NW of Timberlake, Ohio | M2.8 | 118 km | 5 km |
| Sep 22, 1999 | 16 km NW of Mentor-on-the-Lake, Ohio | M2.8 | 103 km | 18 km |
| Mar 8, 2013 | 5 km NNW of Timberlake, Ohio | M2.7 | 115 km | 5 km |
| Apr 28, 2002 | Ohio | M2.7 | 99 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 | - | 57 km |
| 1952 | LAKE HURON, MI | Avalanche | 1.5 m | - | 96 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 2.7 in | Coldest |
| February | 23°F (-5°C) | 2.3 in | Driest |
| March | 32°F (0°C) | 2.8 in | |
| April | 44°F (7°C) | 3.4 in | |
| May | 56°F (13°C) | 3.3 in | |
| June | 65°F (18°C) | 3.6 in | |
| July | 69°F (21°C) | 3.3 in | Warmest |
| August | 68°F (20°C) | 3.5 in | |
| September | 61°F (16°C) | 3.7 in | |
| October | 50°F (10°C) | 3.2 in | |
| November | 40°F (4°C) | 3.9 in | Wettest |
| December | 29°F (-2°C) | 3.5 in |
Southwold has a seasonal temperature swing of 47°F / from 22°F in January to 69°F in July. Total annual precipitation is 39.0 inches, with November being the wettest month (3.9") and February the driest (2.3").