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Weather & Climate in Calvin, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Calvin 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 35.6 inches. The area receives 11.5 inches of snow annually. The city sits at an elevation of 732 feet.
Temperature
9°F Jan (-13°C)
65°F Jul (18°C)
| Annual Average | 39.0°F |
| 28% below US avg | |
| January Average | 9°F (-13°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 272 days/yr |
Geography
| Elevation | 732 ft (223 m) |
| Area | 54.1 sq mi (140.1 km²) |
| Population Density | 10/sq mi |
| Coordinates | 46.2446°N, 78.9064°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
10 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 | 72 km | 18 km |
| Oct 20, 2013 | 34 km SSW of Petawawa, Canada | M3.6 | 133 km | 18 km |
| Oct 10, 1995 | southern Quebec, Canada | M3.5 | 22 km | 18 km |
| May 14, 2016 | 8 km NW of Petawawa, Canada | M3.5 | 124 km | 18 km |
| May 2, 2015 | 12 km NE of Notre-Dame-du-Lac, Canada | M3.3 | 65 km | 18 km |
| Oct 3, 2009 | 18 km NNE of Pembroke, Canada | M3.1 | 149 km | 18 km |
| Apr 1, 2020 | 3 km NE of Saint-Isidore, Canada | M2.9 | 137 km | 10 km |
| Jul 27, 2014 | 13 km SW of Pembroke, Canada | M2.9 | 139 km | 18 km |
| Jul 29, 2012 | 17 km SSW of Parry Sound, Canada | M2.5 | 149 km | 5 km |
| May 17, 2010 | 19 km WNW of Gravenhurst, Canada | M2.5 | 147 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) | 2.1 in | Coldest |
| February | 11°F (-12°C) | 1.8 in | Driest |
| March | 22°F (-5°C) | 1.9 in | |
| April | 37°F (3°C) | 2.4 in | |
| May | 51°F (11°C) | 2.9 in | |
| June | 60°F (16°C) | 3.4 in | |
| July | 65°F (18°C) | 4.1 in | Warmest, Wettest |
| August | 63°F (17°C) | 3.9 in | |
| September | 55°F (13°C) | 4.1 in | |
| October | 44°F (7°C) | 3.4 in | |
| November | 32°F (-0°C) | 3.2 in | |
| December | 17°F (-8°C) | 2.5 in |
Calvin has a seasonal temperature swing of 56°F / from 9°F in January to 65°F in July. Total annual precipitation is 35.6 inches, with July being the wettest month (4.1") and February the driest (1.8").