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Nepean, ON

Full City Profile · Ontario

3.4 /5.0
B Good
180,000 Population 1,714/sq mi density
$82,573 Median Income $47,716 per capita
$461,770 Home Value
$1,012 Median Rent 27.7% income on rent
46°F Avg Temperature 226 sunny days/yr
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$82,573 median income, 5.1% unemployment
B+
Affordability
3.5 / 5.0
$461,770 home value, $1,012/mo rent
C+
Safety
2.5 / 5.0
B+
Education
3.6 / 5.0
32.9% bachelor's degree or higher
Nepean experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 17°F in January while summers reach 71°F in July. The area gets 226 sunny days per year. Annual precipitation totals 44.7 inches. The area receives 67.9 inches of snow annually.

Temperature

17°F Jan (-9°C) 71°F Jul (22°C)
Annual Average46.0°F
15% below US avg
January Average17°F (-9°C)
July Average71°F (22°C)
Sunny Days226 days/yr

Geography

Elevation282 ft (86 m)
Area105.0 sq mi (271.9 km²)
Population Density1,714/sq mi
Coordinates45.3362°N, 75.7225°W
TimezoneAmerica/Toronto

Precipitation & Snow

Annual Rainfall 44.7"
18% above US avg
Snowfall 67.9"
Wettest Month (Aug) 3.50"
Driest Month (Feb) 2.24"

Air Quality

Earthquake History

167 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.4. Most recent: M3.7 on Mar 19, 2025.

Jun 23, 2010 29 km NNE of Val-des-Monts, Canada M5.4 64 km
May 17, 2013 20 km NNE of Shawville, Canada M5.1 68 km
Oct 19, 1990 11 km SW of Mont-Laurier, Canada M4.6 127 km
Mar 14, 1996 7 km WNW of Saint-Adolphe-d'Howard, Canada M4.5 124 km
May 17, 1991 7 km WNW of Rigaud, Canada M4.4 105 km
Dec 25, 1993 9 km WSW of Mont-Laurier, Canada M4.3 130 km
May 24, 1997 6 km W of Saint-Adolphe-d'Howard, Canada M4.2 124 km
Oct 31, 1999 7 km SW of Morin-Heights, Canada M4.2 123 km
Apr 18, 1998 4 km N of Plantagenet, Canada M4.1 63 km
Nov 17, 1992 16 km ENE of Saint-André-Avellin, Canada M4.0 82 km
Aug 6, 2000 7 km SSW of La Minerve, Canada M4.0 111 km
Feb 25, 2006 4 km NE of Thurso, Canada M4.0 52 km
Jul 30, 1993 1 km NE of Salaberry-de-Valleyfield, Canada M3.9 126 km
Oct 7, 1990 21 km WNW of La Minerve, Canada M3.9 117 km
Mar 6, 1991 49 km NNW of Fort-Coulonge, Canada M3.9 138 km
Mar 16, 2011 6 km ENE of Hawkesbury, Canada M3.9 98 km
Sep 18, 2011 1 km E of Thurso, Canada M3.8 48 km
Jul 30, 1998 0 km ENE of Lac-Simon, Canada M3.8 120 km
Oct 6, 2000 1 km WSW of Ormstown, Canada M3.8 135 km
Sep 23, 1993 11 km SE of La Conception, Canada M3.8 119 km
Source: USGS (M2.5+, 1990–2025)

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 49 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 17°F (-9°C) 2.4 in
February 15°F (-10°C) 2.2 in Coldest, Driest
March 26°F (-3°C) 2.5 in
April 41°F (5°C) 2.7 in
May 55°F (13°C) 3.2 in
June 64°F (18°C) 3.4 in
July 71°F (22°C) 3.5 in Warmest
August 68°F (20°C) 3.5 in Wettest
September 59°F (15°C) 3.4 in
October 47°F (8°C) 3.1 in
November 35°F (2°C) 3.3 in
December 20°F (-7°C) 3.1 in

Nepean has a seasonal temperature swing of 56°F / from 15°F in February to 71°F in July. Total annual precipitation is 36.3 inches, with August being the wettest month (3.5") and February the driest (2.2").

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