Stone Mills, ON

Full City Profile · Ontario

3.1 /5.0

B Good

7,826 Population 29/sq mi density

$91,000 Median Income $48,680 per capita

$400,000 Home Value

$830 Median Rent 10.8% income on rent

44°F Avg Temperature 268 sunny days/yr

Overall

3.1 / 5.0

Good overall score based on economy, affordability, safety and education

B+

Economy

3.8 / 5.0

$91,000 median income, 7.9% unemployment

Affordability

4.2 / 5.0

$400,000 home value, $830/mo rent

C+

Safety

2.5 / 5.0

Education

1.8 / 5.0

10.1% bachelor's degree or higher

Stone Mills has a cool climate with an average annual temperature of 44°F (7°C). Winters average 16°F in January while summers reach 69°F in July. The area gets 268 sunny days per year. Annual precipitation totals 37.6 inches. The area receives 11.1 inches of snow annually.

Temperature

16°F Jan (-9°C) 69°F Jul (20°C)

Annual Average	43.5°F
	19% below US avg
January Average	16°F (-9°C)
July Average	69°F (20°C)
Sunny Days	268 days/yr

Geography

Elevation	541 ft (165 m)
Area	267.8 sq mi (693.7 km²)
Population Density	29/sq mi
Coordinates	44.4582°N, 76.9399°W
Timezone	America/Toronto

Precipitation & Snow

Annual Rainfall 37.6"

1% below US avg

Snowfall 11.1"

Wettest Month (Sep) 4.02"

Driest Month (Feb) 2.28"

Air Quality

Earthquake History

21 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.6. Most recent: M3.3 on Jun 29, 2024.

Apr 23, 2023	New York	M3.6	99 km
Dec 25, 1998	23 km SE of Cobourg, Canada	M3.6	106 km
Oct 20, 2013	34 km SSW of Petawawa, Canada	M3.6	134 km
May 28, 2002	11 km WNW of Shawville, Canada	M3.4	133 km
Jun 29, 2024	14 km W of Ellisburg, New York	M3.3	96 km
May 8, 2009	9 km E of Constance Bay, Canada	M3.1	139 km
Aug 4, 2004	30 km SSW of Cobourg, Canada	M3.0	135 km
Nov 7, 2002	13 km SSW of Belleville, Canada	M3.0	60 km
Jul 19, 2007	27 km S of Cobourg, Canada	M3.0	130 km
Jul 27, 2014	13 km SW of Pembroke, Canada	M2.9	145 km
Mar 5, 2009	17 km NW of Constance Bay, Canada	M2.8	140 km
Mar 20, 2008	12 km S of Osgoode, Canada	M2.8	123 km
Mar 14, 2021	19 km SW of Winchester, Canada	M2.7	125 km
Aug 11, 2007	4 km N of Kingston, Canada	M2.6	42 km
Apr 14, 2023	1 km W of Adams Center, New York	M2.6	99 km
Apr 11, 2007	6 km NNE of Sodus Point, New York	M2.6	126 km
Jun 5, 2006	7 km ESE of Constance Bay, Canada	M2.5	134 km
May 10, 2022	southern Ontario, Canada	M2.5	112 km
Oct 6, 2017	9 km SSE of Nepean, Canada	M2.5	134 km
Mar 17, 2004	12 km SSW of Osgoode, Canada	M2.5	121 km

Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	16°F (-9°C)	3.1 in	Coldest
February	18°F (-8°C)	2.3 in	Driest
March	28°F (-2°C)	2.6 in
April	42°F (5°C)	3.1 in
May	54°F (12°C)	3.4 in
June	63°F (17°C)	3.2 in
July	69°F (20°C)	2.5 in	Warmest
August	67°F (20°C)	2.9 in
September	59°F (15°C)	4.0 in	Wettest
October	47°F (9°C)	3.6 in
November	36°F (2°C)	3.9 in
December	23°F (-5°C)	3.1 in

Stone Mills has a seasonal temperature swing of 53°F / from 16°F in January to 69°F in July. Total annual precipitation is 37.6 inches, with September being the wettest month (4.0") and February the driest (2.3").

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