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Weather & Climate in Goderich, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Goderich experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 31°F in January while summers reach 69°F in July. The area gets 236 sunny days per year, above the national average. Annual precipitation totals 46.4 inches (wetter than the 38-inch national average). The area receives 55.5 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 715 feet.
Temperature
31°F Jan (-0°C)
69°F Jul (21°C)
| Annual Average | 49.2°F |
| 9% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 236 days/yr |
Geography
| Elevation | 715 ft (218 m) |
| Area | 3.3 sq mi (8.5 km²) |
| Population Density | 2,391/sq mi |
| Coordinates | 43.7417°N, 81.7134°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.5.
| May 23, 2022 | 2 km NNW of Corunna, Canada | M2.5 | 111 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: 1.5 m (5 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1952 | LAKE HURON, MI | Avalanche | 1.5 m | - | 90 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 3.8 in | |
| February | 24°F (-5°C) | 2.8 in | Coldest |
| March | 30°F (-1°C) | 2.6 in | Driest |
| April | 41°F (5°C) | 2.7 in | |
| May | 52°F (11°C) | 3.0 in | |
| June | 62°F (17°C) | 2.8 in | |
| July | 69°F (21°C) | 2.8 in | Warmest |
| August | 68°F (20°C) | 3.4 in | |
| September | 61°F (16°C) | 3.9 in | |
| October | 51°F (11°C) | 3.5 in | |
| November | 41°F (5°C) | 3.9 in | |
| December | 30°F (-1°C) | 4.0 in | Wettest |
Goderich has a seasonal temperature swing of 45°F / from 24°F in February to 69°F in July. Total annual precipitation is 39.1 inches, with December being the wettest month (4.0") and March the driest (2.6").