Harpswell
Maine, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Harpswell, ME

Average sea temperature - Harpswell, ME

The best month for swimming (with the highest average sea temperature) is August (62.2°F).
The coldest month (with the lowest average sea temperature) is March (37.9°F).

Average daylight - Harpswell, ME