Weather & Climate in Powassan, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Powassan has a cool climate with an average annual temperature of 39°F (4°C). Winters average 9°F in January while summers reach 66°F in July. Annual precipitation totals 35.8 inches. The area receives 11.5 inches of snow annually. The city sits at an elevation of 1,083 feet.
Temperature
9°F Jan (-13°C)
66°F Jul (19°C)
| Annual Average | 39.4°F |
| 27% below US avg | |
| January Average | 9°F (-13°C) |
| July Average | 66°F (19°C) |
Geography
| Elevation | 1,083 ft (330 m) |
| Area | 86.2 sq mi (223.3 km²) |
| Population Density | 39/sq mi |
| Coordinates | 46.0334°N, 79.3496°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 | 100 km | 18 km |
| Mar 9, 1998 | Ontario, Canada | M3.9 | 142 km | 1 km |
| Mar 13, 2005 | 5 km N of Greater Sudbury, Canada | M3.6 | 137 km | 18 km |
| Oct 10, 1995 | southern Quebec, Canada | M3.5 | 62 km | 18 km |
| May 25, 1998 | 3 km NW of Lively, Canada | M3.4 | 148 km | 1 km |
| Aug 5, 2014 | 5 km NNW of Lively, Canada | M3.3 | 150 km | 12 km |
| May 2, 2015 | 12 km NE of Notre-Dame-du-Lac, Canada | M3.3 | 94 km | 18 km |
| Feb 8, 2019 | 7 km SW of Azilda, Canada | M3.1 | 149 km | 2 km |
| Jul 29, 2012 | 17 km SSW of Parry Sound, Canada | M2.5 | 110 km | 5 km |
| May 17, 2010 | 19 km WNW of Gravenhurst, Canada | M2.5 | 115 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) | 2.2 in | Coldest |
| February | 12°F (-11°C) | 1.6 in | Driest |
| March | 23°F (-5°C) | 2.2 in | |
| April | 38°F (3°C) | 2.4 in | |
| May | 52°F (11°C) | 3.4 in | |
| June | 60°F (16°C) | 3.3 in | |
| July | 66°F (19°C) | 3.7 in | Warmest |
| August | 64°F (18°C) | 3.5 in | |
| September | 56°F (13°C) | 4.2 in | Wettest |
| October | 45°F (7°C) | 3.8 in | |
| November | 33°F (0°C) | 3.2 in | |
| December | 18°F (-8°C) | 2.3 in |
Powassan has a seasonal temperature swing of 56°F / from 9°F in January to 66°F in July. Total annual precipitation is 35.8 inches, with September being the wettest month (4.2") and February the driest (1.6").