Chalk River, ON

Full City Profile · Ontario

3.4 /5.0

B Good

1,025 Population 53/sq mi density

$82,573 Median Income $47,716 per capita

$461,770 Home Value

$1,012 Median Rent 27.7% income on rent

39°F Avg Temperature 273 sunny days/yr

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

Chalk River 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. The area gets 273 sunny days per year. Annual precipitation totals 34.6 inches. The area receives 11.9 inches of snow annually.

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)
Sunny Days	273 days/yr

Geography

Elevation	522 ft (159 m)
Area	19.4 sq mi (50.3 km²)
Population Density	53/sq mi
Coordinates	46.0168°N, 77.4495°W
Timezone	America/Toronto

Precipitation & Snow

Annual Rainfall 34.6"

9% below US avg

Snowfall 11.9"

Wettest Month (Sep) 3.50"

Driest Month (Feb) 1.85"

Air Quality

Earthquake History

51 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.1. Most recent: M2.8 on Jul 8, 2023.

May 17, 2013	20 km NNE of Shawville, Canada	M5.1	90 km
Jan 1, 2000	17 km NNE of Notre-Dame-du-Lac, Canada	M4.7	149 km
Jun 16, 1991	78 km NW of Saint-Boniface, Canada	M4.5	124 km
Oct 12, 2003	63 km NNW of Saint-Boniface, Canada	M4.2	138 km
Mar 19, 2001	65 km NNW of Saint-Boniface, Canada	M3.9	146 km
Mar 6, 1991	49 km NNW of Fort-Coulonge, Canada	M3.9	53 km
Sep 7, 2002	southern Quebec, Canada	M3.7	137 km
Feb 26, 1998	33 km SW of Saint-Raphaël, Canada	M3.7	84 km
May 17, 2013	20 km NNE of Shawville, Canada	M3.6	90 km
Oct 20, 2013	34 km SSW of Petawawa, Canada	M3.6	45 km
Mar 29, 2011	66 km NE of Deep River, Canada	M3.5	72 km
May 14, 2016	8 km NW of Petawawa, Canada	M3.5	10 km
Oct 10, 1995	southern Quebec, Canada	M3.5	111 km
May 28, 2002	11 km WNW of Shawville, Canada	M3.4	77 km
Mar 31, 2005	27 km ESE of Maniwaki, Canada	M3.4	142 km
Jun 3, 1995	southern Quebec, Canada	M3.4	143 km
Jan 6, 2007	61 km NNW of Saint-Boniface, Canada	M3.3	146 km
Aug 27, 2021	55 km NW of Saint-Boniface, Canada	M3.3	118 km
May 2, 2015	12 km NE of Notre-Dame-du-Lac, Canada	M3.3	145 km
Jul 4, 2005	45 km NNW of Fort-Coulonge, Canada	M3.3	50 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	146 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	9°F (-13°C)	2.2 in	Coldest
February	12°F (-11°C)	1.9 in	Driest
March	23°F (-5°C)	2.3 in
April	38°F (3°C)	2.5 in
May	52°F (11°C)	3.3 in
June	61°F (16°C)	3.4 in
July	66°F (19°C)	3.4 in	Warmest
August	64°F (18°C)	3.4 in
September	56°F (13°C)	3.5 in	Wettest
October	44°F (7°C)	3.3 in
November	32°F (0°C)	3.0 in
December	17°F (-8°C)	2.5 in

Chalk River has a seasonal temperature swing of 57°F / from 9°F in January to 66°F in July. Total annual precipitation is 34.6 inches, with September being the wettest month (3.5") and February the driest (1.9").

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