Warmest months (with the highest average high temperature) are August and September (66°F).
The month with the lowest average high temperature is December (48°F).
Months with the highest average low temperature are July and August (52°F).
The coldest month (with the lowest average low temperature) is December (36°F).
The best month for swimming (with the highest average sea temperature) is July (58.6°F).
The coldest month (with the lowest average sea temperature) is February (47.8°F).
The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).