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Weather & Climate in South Algonquin, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
South Algonquin 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 274 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 34.3 inches. The area receives 12.1 inches of snow annually. The city sits at an elevation of 1,040 feet.
Temperature
9°F Jan (-13°C)
65°F Jul (18°C)
| Annual Average | 38.8°F |
| 28% below US avg | |
| January Average | 9°F (-13°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 274 days/yr |
Geography
| Elevation | 1,040 ft (317 m) |
| Area | 335.0 sq mi (867.7 km²) |
| Population Density | 3/sq mi |
| Coordinates | 45.5026°N, 77.9835°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
23 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.1.
| May 17, 2013 | 20 km NNE of Shawville, Canada | M5.1 | 130 km | 13 km |
| Mar 6, 1991 | 49 km NNW of Fort-Coulonge, Canada | M3.9 | 122 km | 18 km |
| Feb 26, 1998 | 33 km SW of Saint-Raphaël, Canada | M3.7 | 141 km | 18 km |
| May 17, 2013 | 20 km NNE of Shawville, Canada | M3.6 | 130 km | 11 km |
| Oct 20, 2013 | 34 km SSW of Petawawa, Canada | M3.6 | 43 km | 18 km |
| Oct 10, 1995 | southern Quebec, Canada | M3.5 | 119 km | 18 km |
| May 14, 2016 | 8 km NW of Petawawa, Canada | M3.5 | 70 km | 18 km |
| Mar 29, 2011 | 66 km NE of Deep River, Canada | M3.5 | 143 km | 18 km |
| May 28, 2002 | 11 km WNW of Shawville, Canada | M3.4 | 107 km | 18 km |
| Jul 4, 2005 | 45 km NNW of Fort-Coulonge, Canada | M3.3 | 118 km | 13 km |
| Sep 9, 2015 | 20 km NNE of Shawville, Canada | M3.2 | 129 km | 10 km |
| Oct 3, 2009 | 18 km NNE of Pembroke, Canada | M3.1 | 91 km | 18 km |
| Jun 30, 2013 | 19 km NNE of Shawville, Canada | M3.1 | 130 km | 14 km |
| May 17, 2013 | 21 km NNE of Shawville, Canada | M3.1 | 131 km | 18 km |
| Jul 21, 2011 | 27 km NW of Wakefield, Canada | M2.9 | 149 km | 15 km |
| May 30, 2013 | 20 km NNE of Shawville, Canada | M2.9 | 129 km | 13 km |
| Jul 27, 2014 | 13 km SW of Pembroke, Canada | M2.9 | 63 km | 18 km |
| Nov 16, 2013 | 19 km NNE of Shawville, Canada | M2.9 | 130 km | 18 km |
| Mar 5, 2009 | 17 km NW of Constance Bay, Canada | M2.8 | 136 km | 5 km |
| Jan 13, 2011 | 35 km E of Fort-Coulonge, Canada | M2.8 | 139 km | 18 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 9°F (-13°C) | 2.3 in | Coldest |
| February | 12°F (-11°C) | 2.0 in | Driest |
| March | 23°F (-5°C) | 2.1 in | |
| April | 37°F (3°C) | 2.4 in | |
| May | 51°F (11°C) | 3.0 in | |
| June | 60°F (15°C) | 3.5 in | Wettest |
| July | 65°F (18°C) | 3.3 in | Warmest |
| August | 63°F (17°C) | 3.5 in | |
| September | 55°F (13°C) | 3.4 in | |
| October | 43°F (6°C) | 3.2 in | |
| November | 31°F (-0°C) | 3.1 in | |
| December | 17°F (-8°C) | 2.6 in |
South Algonquin has a seasonal temperature swing of 56°F / from 9°F in January to 65°F in July. Total annual precipitation is 34.3 inches, with June being the wettest month (3.5") and February the driest (2.0").