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Weather & Climate in Hanover, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hanover experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 29°F in January while summers reach 69°F in July. The area gets 219 sunny days per year. Annual precipitation totals 40.2 inches. The area receives 58.4 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 906 feet.
Temperature
29°F Jan (-2°C)
69°F Jul (20°C)
| Annual Average | 48.0°F |
| 11% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 219 days/yr |
Geography
| Elevation | 906 ft (276 m) |
| Area | 3.8 sq mi (9.8 km²) |
| Population Density | 2,110/sq mi |
| Coordinates | 44.1501°N, 81.0330°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.
| Jul 29, 2012 | 17 km SSW of Parry Sound, Canada | M2.5 | 138 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 | - | 95 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 4.4 in | |
| February | 19°F (-7°C) | 3.3 in | Coldest |
| March | 28°F (-2°C) | 2.9 in | Driest |
| April | 41°F (5°C) | 3.0 in | |
| May | 53°F (12°C) | 3.5 in | |
| June | 62°F (17°C) | 3.1 in | |
| July | 69°F (20°C) | 3.2 in | Warmest |
| August | 66°F (19°C) | 3.8 in | |
| September | 59°F (15°C) | 4.5 in | |
| October | 48°F (9°C) | 3.8 in | |
| November | 37°F (3°C) | 4.3 in | |
| December | 26°F (-3°C) | 4.6 in | Wettest |
Hanover has a seasonal temperature swing of 50°F / from 19°F in February to 69°F in July. Total annual precipitation is 44.2 inches, with December being the wettest month (4.6") and March the driest (2.9").