Sydenham, ON

Ontario

Sydenham is a small town in Ontario with a population of 3,249.

Population source: Wikidata (dated census and official estimates), GeoNames. Climate: WorldClim 2.1 normals (1970-2000), NASA POWER. Updated August 2026

3,249 Population 22/sq mi density
43°F Avg Temperature

Discover Sydenham, ON

Explore over 40 sections covering people, economy, housing, health, crime, climate, community, costs, trends, schools, colleges, hospitals, treatment centers, industries, museums, libraries, breweries, farmers markets, grocery stores, pharmacies, campgrounds, parks, trails, stadiums, ski resorts, daycare centers, nursing homes, churches, fire stations, cell towers, bridges, power plants, EV stations, prisons, radio stations, airports, police stations, post offices, Amtrak stations, superfund sites, UNESCO sites, and more.
Use the tabs and dropdown menus below to navigate every data point we track for this city.

Full City Profile

How Sydenham Compares to the U.S. Average (100% = U.S. avg)

People

Population3,249
Density22/mi²

Climate

Avg Temp43°F (6°C)
Rain43.0 in/yr
Elevation1,138 ft (347 m)
Sydenham has a cool climate with an average annual temperature of 43°F (6°C). Winters average 19°F in January while summers reach 66°F in July. Annual precipitation totals 43.0 inches. The area receives 15.5 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 1,138 feet.

Temperature

19°F Jan (-7°C) 66°F Jul (19°C)
Annual Average43.1°F
20% below US avg
January Average19°F (-7°C)
July Average66°F (19°C)

Geography

Elevation1,138 ft (347 m)
Area150.0 sq mi (388.4 km²)
Population Density22/sq mi
Coordinates44.5668°N, 80.7997°W
TimezoneAmerica/Toronto

Precipitation & Snow

Annual Rainfall 43.0"
13% above US avg
Snowfall 15.5"
Wettest Month (Jan) 4.69"
Driest Month (Apr) 2.76"

Air Quality

Earthquake History

2 earthquakes (M2.5+) within 150 km since 1990. Strongest: M2.5. Most recent: M2.5 on Jul 29, 2012.

Jul 29, 2012 17 km SSW of Parry Sound, Canada M2.5 89 km
May 17, 2010 19 km WNW of Gravenhurst, Canada M2.5 109 km
Source: USGS (M2.5+, 1990-2025)

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

Monthly Weather

Month Avg Temperature Precipitation Summary
January 19°F (-7°C) 4.7 in Coldest, Wettest
February 19°F (-7°C) 3.2 in
March 28°F (-2°C) 3.0 in
April 40°F (5°C) 2.8 in Driest
May 52°F (11°C) 3.2 in
June 61°F (16°C) 3.0 in
July 66°F (19°C) 2.9 in Warmest
August 65°F (18°C) 3.3 in
September 58°F (14°C) 4.1 in
October 48°F (9°C) 3.8 in
November 36°F (2°C) 4.5 in
December 25°F (-4°C) 4.7 in

Sydenham has a seasonal temperature swing of 47°F / from 19°F in January to 66°F in July. Total annual precipitation is 43.0 inches, with January being the wettest month (4.7") and April the driest (2.8").

View full weather details →

Radio Stations near Sydenham

1 stations within ~55 km.

Station Genre Quality
CJGB-FM "LITE 99.3" Meaford, ON soft adult contemporary AAC+ 47 kbps

Museums in Sydenham

NameTypeAddressPhoneAnnual Revenue
Billy Bishop Home & Museum
Grey Roots Museum & Archives
Meaford Museum
Owen Sound Marine and Rail Museum

Libraries in Sydenham

NameAddressStaffAnnual VisitsCirculationCollectionPrograms
Grey Highlands Public Library - Markdale0.0
Meaford Public Library0.0
Owen Sound & North Grey Union Public Library0.0

Farmers Markets in Sydenham

NameAddressSeasonHoursOrganicWebsite
Keady Market

Hotels in Sydenham

1 hotels within city radius - OpenStreetMap data

The Falls Inn

Gas Stations in Sydenham

1 gas stations within city radius - OpenStreetMap data

Shell

Golf Courses in Sydenham

1 golf courses within city radius - OpenStreetMap data

Scenic City Golf Course

Ski Resorts Near Sydenham

8 ski resorts within range.

Resort Slopes (km) Lifts Peak (m) Price Season Night Park
Devil's Glen Country Club 0.0 - - $0 - - -
Beaver Valley Ski Club 0.0 - - $0 - - -
Highlands Nordic 0.0 - - $0 - - -
Osler Bluff Ski Club 0.0 - - $0 - - -
Blue Mountain Ski Resort 0.0 - - $0 - - -
Craigleith Ski Club 0.0 - - $0 - - -
Alpine Ski Club 0.0 - - $0 - - -
Georgian Peaks Club 0.0 - - $0 - - -

Airports Near Sydenham

50 airports within the area.

AirportIATAType
Owen Sound / Billy Bishop Regional AirportYOSMedium Airport
Wiarton AirportYVVMedium Airport
Belwood (Ellen Field)-Small Airport
Blacks Lake Airfield-Small Airport
Briggs Field-Small Airport
Cardwell Airfield-Small Airport
Collingwood Regional Airport-Small Airport
Conn Field-Small Airport
Creemore Aerodrome-Small Airport
Damascus Field-Small Airport
Dundalk (Tripp Field) Aerodrome-Small Airport
East Linton (Kerr Field)-Small Airport
Erin Northwest Airport-Small Airport
Farrow's Field-Small Airport
Flesherton (Smithorrs Field)-Small Airport
Fordwich Airport-Small Airport
Glendale Airport-Small Airport
Grand Valley (Black Field)-Small Airport
Grand Valley / Luther Field-Small Airport
Grand Valley North Airfield-Small Airport
Grand Valley/Martin Field-Small Airport
Griffith Island Airstrip-Small Airport
Hanover / Saugeen Municipal Airport-Small Airport
Harkes Field-Small Airport
Hay Island Airstrip-Small Airport
Laurel / Whittington Aerodrome-Small Airport
Mount Forest Roths' Field-Small Airport
Nenagh Field-Small Airport
Orangeville / Brundle Field-Small Airport
Orangeville / Castlewood Field-Small Airport
Orangeville / Laurel Airstrip-Small Airport
Owen Sound (Cook Field)-Small Airport
Palmerston Airport-Small Airport
Port Elgin Airport-Small Airport
Robinson International Air Field-Small Airport
Rolands Aerodrome-Small Airport
Roth Field-Small Airport
Shelburne (Schaefer Field)-Small Airport
Shelburne / Fisher Field-Small Airport
Slayner (Clearview Field) Aerodrome-Small Airport
Southampton Airport-Small Airport
Southwestern Ontario Gliding Association Airfield-Small Airport
Teeswater (Dent Field) Aerodrome-Small Airport
Teeswater (Thompson Field) Airport-Small Airport
Varys Field-Small Airport
Walter's Falls (Piper Way) Aerodrome-Small Airport
Walter's Field-Small Airport
White Cloud Island-Small Airport
Wilkinson Field-Small Airport
Wingham (Inglis Field) Airport-Small Airport

Explore Near Sydenham

UFO Sightings
5
Reported UFO sightings from the National UFO Reporting Center database
View all →
Waterfalls
1
Natural waterfalls documented by USGS and OpenStreetMap contributors
View all →

UFO Sightings Near Sydenham

5 UFO sighting reports from the National UFO Reporting Center (NUFORC) found near Sydenham.

Name Year Description
Sydenham (canada), ON 2013 Bright&#44 yellow-orange fireball
Owen sound (canada), ON 2012 A friend and I were outside downtown briefly between buildings at sundown (@6:45pm perhaps) when we noticed two extremely bright stars.
Owen sound (canada), ON 2012 My wife and myself walking our dog in our city . Walking southward to northward I looked up in sky and spotted 3 lights&#44 at first I tr
Owen sound (canada), ON 1996 Objects began moving in a snake like motion (s&#39ing) around the stars.I was out on my balcony enjoying a nice cup of coffee with my
Owen sound (near) (canada), ON 1983 Distinctly triangular object&#44 appeared to be transluscent but glowing orange&#44 like an ember (hundreds if not thousands of small pin pri

Waterfalls Near Sydenham

1 waterfalls from OpenStreetMap and USGS geographic data found near Sydenham.

Name Description
Keefer Falls

Download Full City Report

Get a comprehensive, print-ready PDF with all data for Sydenham.

Get Report

Frequently Asked Questions About Sydenham

What is the population of Sydenham?

Sydenham has a population of 3,249 residents and is located in Ontario. The population density is 22 people per square mile, spread across 150.0 square miles.

What is the weather like in Sydenham?

Sydenham has a cool climate with an average annual temperature of 43°F (6°C). Winter temperatures average 19°F in January, while summers reach an average of 66°F in July. Annual rainfall totals 43.0 inches, with 15.5 inches of snow.

Nearby Cities

Compare Sydenham with another city:

Want every data point for Sydenham?

The full profile puts all sections on one printable page, no tabs.

Full City Profile