Average water temperature in Montréal
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.
The coldest water temperature month, March, has an average temperature of 3°C. It may not be the ideal time for a swim.