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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. The area gets 265 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 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) |
| Sunny Days | 265 days/yr |
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").