Weather & Climate in Constance Bay, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Constance Bay has a cool climate with an average annual temperature of 41°F (5°C). Winters average 10°F in January while summers reach 67°F in July. Annual precipitation totals 37.4 inches. The area receives 13.7 inches of snow annually. The city sits at an elevation of 213 feet.
Temperature
10°F Jan (-12°C)
67°F Jul (20°C)
| Annual Average | 40.7°F |
| 25% below US avg | |
| January Average | 10°F (-12°C) |
| July Average | 67°F (20°C) |
Geography
| Elevation | 213 ft (65 m) |
| Area | 222.9 sq mi (577.2 km²) |
| Population Density | 10/sq mi |
| Coordinates | 45.5001°N, 76.0827°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
150 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| Jun 23, 2010 | 29 km NNE of Val-des-Monts, Canada | M5.4 | 64 km | 19 km |
| May 17, 2013 | 20 km NNE of Shawville, Canada | M5.1 | 36 km | 13 km |
| Oct 19, 1990 | 11 km SW of Mont-Laurier, Canada | M4.6 | 114 km | 13 km |
| Mar 14, 1996 | 7 km WNW of Saint-Adolphe-d'Howard, Canada | M4.5 | 139 km | 18 km |
| May 17, 1991 | 7 km WNW of Rigaud, Canada | M4.4 | 131 km | 18 km |
| Dec 25, 1993 | 9 km WSW of Mont-Laurier, Canada | M4.3 | 118 km | 18 km |
| Oct 31, 1999 | 7 km SW of Morin-Heights, Canada | M4.2 | 142 km | 18 km |
| May 24, 1997 | 6 km W of Saint-Adolphe-d'Howard, Canada | M4.2 | 140 km | 10 km |
| Apr 18, 1998 | 4 km N of Plantagenet, Canada | M4.1 | 86 km | 18 km |
| Nov 17, 1992 | 16 km ENE of Saint-André-Avellin, Canada | M4.0 | 99 km | 18 km |
| Aug 6, 2000 | 7 km SSW of La Minerve, Canada | M4.0 | 115 km | 18 km |
| Feb 25, 2006 | 4 km NE of Thurso, Canada | M4.0 | 70 km | 11 km |
| Oct 7, 1990 | 21 km WNW of La Minerve, Canada | M3.9 | 114 km | 18 km |
| Mar 6, 1991 | 49 km NNW of Fort-Coulonge, Canada | M3.9 | 106 km | 18 km |
| Mar 16, 2011 | 6 km ENE of Hawkesbury, Canada | M3.9 | 121 km | 10 km |
| Sep 18, 2011 | 1 km E of Thurso, Canada | M3.8 | 67 km | 5 km |
| Jul 30, 1998 | 0 km ENE of Lac-Simon, Canada | M3.8 | 128 km | 10 km |
| Sep 23, 1993 | 11 km SE of La Conception, Canada | M3.8 | 131 km | 18 km |
| Nov 6, 2012 | Ontario-Quebec border region, Canada | M3.7 | 116 km | 11 km |
| Aug 30, 1993 | 14 km WNW of Rivière-Rouge, Canada | M3.7 | 133 km | 16 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 15.0 m (49 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1908 | NOTRE DAME DE LA SALETTE | Meteorological | 15.0 m | 33 | 48 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 10°F (-12°C) | 2.7 in | Coldest |
| February | 13°F (-11°C) | 2.3 in | Driest |
| March | 24°F (-5°C) | 2.5 in | |
| April | 39°F (4°C) | 2.8 in | |
| May | 53°F (11°C) | 3.4 in | |
| June | 62°F (17°C) | 3.4 in | |
| July | 67°F (20°C) | 3.7 in | Warmest, Wettest |
| August | 66°F (19°C) | 3.6 in | |
| September | 57°F (14°C) | 3.5 in | |
| October | 46°F (8°C) | 3.5 in | |
| November | 34°F (1°C) | 3.3 in | |
| December | 19°F (-8°C) | 2.9 in |
Constance Bay has a seasonal temperature swing of 57°F / from 10°F in January to 67°F in July. Total annual precipitation is 37.4 inches, with July being the wettest month (3.7") and February the driest (2.3").