Weather & Climate in Strong, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Strong has a cool climate with an average annual temperature of 40°F (4°C). Winters average 11°F in January while summers reach 65°F in July. Annual precipitation totals 39.1 inches. The area receives 14.3 inches of snow annually. The city sits at an elevation of 1,089 feet.
Temperature
11°F Jan (-12°C)
65°F Jul (18°C)
| Annual Average | 39.5°F |
| 27% below US avg | |
| January Average | 11°F (-12°C) |
| July Average | 65°F (18°C) |
Geography
| Elevation | 1,089 ft (332 m) |
| Area | 61.3 sq mi (158.9 km²) |
| Population Density | 26/sq mi |
| Coordinates | 45.7391°N, 79.4700°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
7 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 | 134 km | 18 km |
| Mar 9, 1998 | Ontario, Canada | M3.9 | 149 km | 1 km |
| Mar 13, 2005 | 5 km N of Greater Sudbury, Canada | M3.6 | 147 km | 18 km |
| Oct 10, 1995 | southern Quebec, Canada | M3.5 | 93 km | 18 km |
| May 2, 2015 | 12 km NE of Notre-Dame-du-Lac, Canada | M3.3 | 128 km | 18 km |
| Jul 29, 2012 | 17 km SSW of Parry Sound, Canada | M2.5 | 78 km | 5 km |
| May 17, 2010 | 19 km WNW of Gravenhurst, Canada | M2.5 | 81 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 2.7 m (9 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1855 | OWEN SOUND, LAKE HURON | Unknown | 2.7 m | - | 145 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 11°F (-12°C) | 2.9 in | Coldest |
| February | 13°F (-10°C) | 2.2 in | Driest |
| March | 24°F (-5°C) | 2.4 in | |
| April | 38°F (3°C) | 2.6 in | |
| May | 51°F (11°C) | 3.5 in | |
| June | 60°F (15°C) | 3.2 in | |
| July | 65°F (18°C) | 3.5 in | Warmest |
| August | 63°F (17°C) | 3.6 in | |
| September | 55°F (13°C) | 4.4 in | Wettest |
| October | 44°F (7°C) | 4.1 in | |
| November | 32°F (0°C) | 3.8 in | |
| December | 19°F (-8°C) | 3.1 in |
Strong has a seasonal temperature swing of 54°F / from 11°F in January to 65°F in July. Total annual precipitation is 39.1 inches, with September being the wettest month (4.4") and February the driest (2.2").