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. 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) |
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").