Average monthly water temperature in Montréal, Canada
On this page you find the mean water temperature over the year in Montréal (Quebec), Canada. Understand how water temperatures vary throughout the year.
In Montréal, the water undergoes seasonal changes. The warmest month is August, with an average water temperature of 21°C (70°F).
The coldest water temperature month, February, has an average temperature of 3°C (37°F). It may not be the ideal time for a swim.
Montréal Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Montréal - and find the best time to visit.
Montréal 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Montréal climate overview or explore weather in Canada.
Popular this month
Where to go in August - average daytime high across popular destinations.
Bucket list
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