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Weather & Climate in Belleville, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Belleville experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 22°F in January while summers reach 72°F in July. The area gets 270 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 39.1 inches. The area receives 53.4 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 305 feet.
Temperature
22°F Jan (-5°C)
72°F Jul (22°C)
| Annual Average | 48.5°F |
| 10% below US avg | |
| January Average | 22°F (-5°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 305 ft (93 m) |
| Area | 95.4 sq mi (247.2 km²) |
| Population Density | 577/sq mi |
| Coordinates | 44.1668°N, 77.3828°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
16 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Nov 26, 1999 | 14 km ESE of Centennial Scarborough, Canada | M3.8 | 139 km | 13 km |
| Dec 25, 1998 | 23 km SE of Cobourg, Canada | M3.6 | 58 km | 18 km |
| Apr 23, 2023 | New York | M3.6 | 114 km | 9 km |
| Jun 29, 2024 | 14 km W of Ellisburg, New York | M3.3 | 99 km | 5 km |
| May 24, 2000 | 4 km ENE of Centennial Scarborough, Canada | M3.1 | 143 km | 18 km |
| May 8, 2018 | 14 km SSE of Ajax, Canada | M3.0 | 134 km | 5 km |
| Aug 4, 2004 | 30 km SSW of Cobourg, Canada | M3.0 | 87 km | 5 km |
| Nov 7, 2002 | 13 km SSW of Belleville, Canada | M3.0 | 14 km | 18 km |
| Jul 19, 2007 | 27 km S of Cobourg, Canada | M3.0 | 82 km | 5 km |
| Dec 21, 2009 | 10 km NNE of Olcott, New York | M2.7 | 132 km | 8 km |
| Aug 11, 2007 | 4 km N of Kingston, Canada | M2.6 | 73 km | 4 km |
| Mar 29, 2020 | 11 km N of Lyndonville, New York | M2.6 | 114 km | 5 km |
| Apr 14, 2023 | 1 km W of Adams Center, New York | M2.6 | 114 km | 6 km |
| Apr 11, 2007 | 6 km NNE of Sodus Point, New York | M2.6 | 99 km | 7 km |
| Jul 11, 2017 | 11 km NNW of Barker, New York | M2.5 | 127 km | 5 km |
| Feb 13, 2014 | 34 km N of Lyndonville, New York | M2.5 | 100 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-5°C) | 2.9 in | |
| February | 20°F (-7°C) | 2.3 in | Coldest, Driest |
| March | 30°F (-1°C) | 2.6 in | |
| April | 43°F (6°C) | 3.0 in | |
| May | 55°F (13°C) | 3.2 in | |
| June | 64°F (18°C) | 3.0 in | |
| July | 72°F (22°C) | 2.5 in | Warmest |
| August | 68°F (20°C) | 3.0 in | |
| September | 59°F (15°C) | 3.4 in | |
| October | 48°F (9°C) | 3.2 in | |
| November | 37°F (3°C) | 3.7 in | Wettest |
| December | 25°F (-4°C) | 3.2 in |
Belleville has a seasonal temperature swing of 53°F / from 20°F in February to 72°F in July. Total annual precipitation is 35.7 inches, with November being the wettest month (3.7") and February the driest (2.3").