Average monthly water temperature in La Roche-sur-Foron, France
On this page you find the mean water temperature over the year in La Roche-sur-Foron (the Rhône-Alps), France. Get insights into the water temperature fluctuations and discover what they mean for visitors.
La Roche-sur-Foron experiences water temperature shifts throughout the year. The warmest month, August, reaches an average of 23°C (73°F).
The coldest month, January, averages 6°C (43°F). Visitors during these months can leave their swimming gear at home.