Warmest month (with highest average high temperature) is July (65.4°F).
Month with lowest average high temperature is January (22.7°F).
Month with highest average low temperature is July (51.3°F).
Coldest month (with lowest average low temperature) is January (11.4°F).
Months with highest relative humidity are November and December (77.1%).
Month with lowest relative humidity is May (61.6%).
Wettest month (with highest rainfall) is August (3.3").
Driest month (with lowest rainfall) is April (0.5").
Month with highest number of rainy days is September (14.5 days).
Month with lowest number of rainy days is April (5.5 days).
Month with highest snowfall is December (20.5").
Months with lowest snowfall are June, July and August (0").
Month with highest number of snowfall days is December (10.5 days).
Months with lowest number of snowfall days are June, July and August (0 days).
Best months for swimming (with highest average sea temperature) are August and September (52°F).
Coldest months (with lowest average sea temperature) are February, March and April (39°F).
Month with longest days is June (Average daylight: 19h).
Month with shortest days is December (Average daylight: 6h).
Month with most sunshine is May (Average sunshine: 9.3h).
Month with least sunshine is December (Average sunshine: 1.7h).
Months with highest UV index are June and July (UV index 5).
Months with lowest UV index are January, February, November and December (UV index 0).