West Dennis
Massachusetts, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
West Dennis, MA

Average sea temperature - West Dennis, MA

The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

Average daylight - West Dennis, MA

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).