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Ontario
Ontario, Canada © pixabay.com
Ontario Sea and Water Temperature
This page provides detailed information about the water temperature in Ontario, Canada. All cities and resorts on the coast, also in lakes and along the rivers. The range of sea temperatures for today. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Sea Temperature
-1.4°C
minimal
-0.7°C
average
0.0°C
maximum
Graph of Sea Temperature Changes in Ontario Over the Last 60 Days
Water temperature in the Ontario by month
| Month | Minimum | Maximum |
|---|---|---|
| January | -2°C | 2°C |
| February | -3°C | 2°C |
| March | -3°C | 2°C |
| April | -3°C | 5°C |
| May | -3°C | 8°C |
| June | -3°C | 12°C |
| July | -1°C | 15°C |
| August | 4°C | 17°C |
| September | 1°C | 16°C |
| October | 0°C | 13°C |
| November | -2°C | 8°C |
| December | -3°C | 4°C |
The Warmest Places on the Seaside in Ontario Today
List of All Coastal Cities in Ontario
Seas and Oceans that Border Ontario
Ontario, Canada © By Laslovarga
Current Water Temperature in Lakes and Rivers
0.0°C
minimal
0.8°C
average
3.5°C
maximum
The Warmest Places on Lakes and Rivers in Ontario Today
List of Lakes in Ontario
- Lake Huron
- Lake Ontario
- Lake Erie
- Lake Superior
- Lake of the Woods
- Rainy Lake
- Lake Saint Clair
- Lake Simcoe
- Rice Lake
- Lake Scugog
- Sturgeon Lake
- Fish Lake
- Pigeon Lake
- Buckhorn Lake
- Lake Muskoka
- Stony Lake
- Crowe Lake
- Jack Lake
- Chemong Lake
- Darlymple Lake
- Six Mile Lake
- Gloucester Pool
- Belmont Lake
- Consecon Lake
- Balsam Lake
- Cameron Lake
- Canal Lake
- Four Mile Lake
- Loughborough Lake
- Chandos Lake
- Seymour Lake
- Lake Rosseau
- Lake Vernon
- Head Lake
- Fairy Lake
- Lake Joseph
- Healey Lake
- Mary Lake
- Peninsula Lake
- Wabakimi Lake
List of Rivers in Ontario
List of Cities and Places in Ontario
Canada: List of Regions
Water Temperature in Ontario: General Trends and Swimming Opportunities
Ontario, located in central Canada, is home to a variety of freshwater bodies, including the Great Lakes and numerous rivers. While Ontario does not have a coastline along the ocean, it boasts the shores of Lake Ontario, Lake Erie, Lake Huron, and Lake Superior, as well as many inland lakes and rivers. The temperature of these bodies of water varies widely depending on the time of year and the specific location.
During the summer months, water temperatures in the Great Lakes around Ontario can range from 60°F to 75°F (15°C to 24°C), offering a refreshing environment for swimming and other water activities. The northern parts of the Great Lakes, such as Lake Superior, tend to stay cooler, with temperatures hovering closer to 50°F to 60°F (10°C to 15°C) during the summer. Inland lakes and rivers throughout Ontario, especially those located in the southern part of the province, can warm up slightly more, providing more comfortable swimming opportunities, often reaching temperatures between 70°F to 80°F (21°C to 27°C).
In the winter, the temperatures of Ontario's lakes and rivers drop significantly. The Great Lakes can experience temperatures near freezing, around 32°F (0°C), and often have icy conditions along the shorelines. Inland rivers and lakes may freeze over, especially in more northern or higher elevation areas. Despite the cold winter months, ice fishing and other winter activities are popular, with many locals taking advantage of the frozen waters for recreation. Overall, Ontario's water bodies offer diverse temperature conditions, from cool and refreshing in the summer to frozen and harsh in the winter.
Geographical Location of Ontario
Frequently Asked Questions About Ontario and its Water Temperatures
What is the current sea temperature on the coast of Ontario in Canada?
The sea temperature today on the coast of Ontario ranges from 29°F (-1.4°C) in Winisk to 32°F (0.0°C) in Kashechewan.
What is the current water temperature in the lakes and rivers of Ontario in Canada?
The water temperature today in the lakes and rivers of Ontario ranges from 32°F (0.0°C) in Lake Simcoe to 38°F (3.5°C) in Rainy Lake.
When does the sea in Ontario in Canada reach a comfortable swimming temperature?
The sea temperature in Ontario (Canada) never warms up to 70°F (21°C). Its maximum value is 63°F (17°C) in August. It should be noted that the mentioned values apply to the warmest point of the region. In other areas of Ontario, the values may vary.
What are the most popular seaside resorts in Ontario?
The most popular places on the coast of Ontario (Canada), based on our visitors' interest in the water temperature, are cities Winisk and Kashechewan.
Which seas and oceans does the Ontario have access to?
Ontario (Canada) has access only to the Hudson Bay.
Can you swim in the lakes and/or rivers in Ontario in Canada?
Yes, you can swim in many of Ontario's lakes and rivers, however, always ensure that the area is safe and has been designated for swimming. Always check local regulations and conditions before swimming.
What are the best and most popular lakes for swimming in Ontario in Canada?
Some of the best and most popular lakes for swimming in Ontario, Canada are Lake Ontario and Lake Huron. Others include Muskoka Lakes, Lake Erie, and Lake Superior.