Warmest months (with the highest average high temperature) are August and September (74°F).
The month with the lowest average high temperature is March (65°F).
The month with the highest average low temperature is August (60°F).
Coldest months (with the lowest average low temperature) are January and December (45°F).
The best month for swimming (with the highest average sea temperature) is August (64.1°F).
The coldest month (with the lowest average sea temperature) is April (56.7°F).
The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).