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Weather & Climate in Huntsville, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Huntsville has a cool climate with an average annual temperature of 45°F (7°C). Winters average 24°F in January while summers reach 68°F in July. The area gets 234 sunny days per year, above the national average. Annual precipitation totals 44.5 inches. The area receives 66.7 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 991 feet.
Temperature
24°F Jan (-5°C)
68°F Jul (20°C)
| Annual Average | 44.7°F |
| 17% below US avg | |
| January Average | 24°F (-5°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 991 ft (302 m) |
| Area | 272.3 sq mi (705.2 km²) |
| Population Density | 78/sq mi |
| Coordinates | 45.3334°N, 79.2163°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Oct 20, 2013 | 34 km SSW of Petawawa, Canada | M3.6 | 141 km | 18 km |
| Oct 10, 1995 | southern Quebec, Canada | M3.5 | 126 km | 18 km |
| Jul 29, 2012 | 17 km SSW of Parry Sound, Canada | M2.5 | 70 km | 5 km |
| May 17, 2010 | 19 km WNW of Gravenhurst, Canada | M2.5 | 45 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: 2.7 m (9 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1855 | OWEN SOUND, LAKE HURON | Unknown | 2.7 m | - | 145 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-5°C) | 3.5 in | |
| February | 14°F (-10°C) | 2.6 in | Coldest, Driest |
| March | 25°F (-4°C) | 2.6 in | |
| April | 38°F (4°C) | 2.6 in | |
| May | 52°F (11°C) | 3.3 in | |
| June | 60°F (16°C) | 3.2 in | |
| July | 68°F (20°C) | 3.3 in | Warmest |
| August | 64°F (18°C) | 3.6 in | |
| September | 56°F (13°C) | 4.4 in | Wettest |
| October | 45°F (7°C) | 3.9 in | |
| November | 32°F (0°C) | 4.1 in | |
| December | 19°F (-7°C) | 3.7 in |
Huntsville has a seasonal temperature swing of 54°F / from 14°F in February to 68°F in July. Total annual precipitation is 41.1 inches, with September being the wettest month (4.4") and February the driest (2.6").