Average monthly water temperature in Chelsea, the United States of America
On this page you find the mean water temperature over the year in Chelsea (Massachusetts), the United States of America. Discover when the water is at its warmest and coolest, perfect for planning your visit.
In Chelsea, water temperatures vary throughout the year. The warmest month is August, with an average water temperature of 20°C (68°F).
The coldest month is February, with an average temperature of 4°C (39°F). These seasonal variations make Chelsea a great destination for different kinds of aquatic activities.