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Weather & Climate in Bonfield, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bonfield has a cool climate with an average annual temperature of 39°F (4°C). Winters average 9°F in January while summers reach 65°F in July. The area gets 272 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 35.2 inches. The area receives 10.9 inches of snow annually. The city sits at an elevation of 784 feet.
Temperature
9°F Jan (-13°C)
65°F Jul (18°C)
| Annual Average | 38.9°F |
| 28% below US avg | |
| January Average | 9°F (-13°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 272 days/yr |
Geography
| Elevation | 784 ft (239 m) |
| Area | 79.6 sq mi (206.2 km²) |
| Population Density | 27/sq mi |
| Coordinates | 46.2309°N, 79.1469°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Jan 1, 2000 | 17 km NNE of Notre-Dame-du-Lac, Canada | M4.7 | 75 km | 18 km |
| Mar 13, 2005 | 5 km N of Greater Sudbury, Canada | M3.6 | 145 km | 18 km |
| Oct 20, 2013 | 34 km SSW of Petawawa, Canada | M3.6 | 148 km | 18 km |
| Oct 10, 1995 | southern Quebec, Canada | M3.5 | 36 km | 18 km |
| May 14, 2016 | 8 km NW of Petawawa, Canada | M3.5 | 142 km | 18 km |
| May 2, 2015 | 12 km NE of Notre-Dame-du-Lac, Canada | M3.3 | 68 km | 18 km |
| Apr 1, 2020 | 3 km NE of Saint-Isidore, Canada | M2.9 | 136 km | 10 km |
| Jul 29, 2012 | 17 km SSW of Parry Sound, Canada | M2.5 | 137 km | 5 km |
| May 17, 2010 | 19 km WNW of Gravenhurst, Canada | M2.5 | 140 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 9°F (-13°C) | 2.0 in | Coldest |
| February | 11°F (-12°C) | 1.6 in | Driest |
| March | 22°F (-6°C) | 1.9 in | |
| April | 37°F (3°C) | 2.4 in | |
| May | 51°F (11°C) | 3.1 in | |
| June | 60°F (16°C) | 3.4 in | |
| July | 65°F (18°C) | 4.0 in | Warmest |
| August | 63°F (17°C) | 3.7 in | |
| September | 55°F (13°C) | 4.1 in | Wettest |
| October | 44°F (7°C) | 3.5 in | |
| November | 32°F (-0°C) | 3.1 in | |
| December | 17°F (-8°C) | 2.3 in |
Bonfield has a seasonal temperature swing of 56°F / from 9°F in January to 65°F in July. Total annual precipitation is 35.2 inches, with September being the wettest month (4.1") and February the driest (1.6").