The warmest month (with the highest average high temperature) is July (76.2°F).
The month with the lowest average high temperature is January (23°F).
The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is January (7.6°F).
The wettest months (with the highest rainfall) are September and October (3.8").
The driest month (with the least rainfall) is February (1.3").
The month with the highest number of rainy days is December (18.8 days).
The months with the least rainy days are April and August (10.9 days).
The month with the highest snowfall is December (33.5").
The months with the least snowfall are June, July, August and September (0").
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are June, July and August (0 days).
The best month for swimming (with the highest average sea temperature) is August (59°F).
The coldest months (with the lowest average sea temperature) are February, March and April (36°F).
The month with the longest days is June (Average daylight: 15h and 46min).
The month with the shortest days is December (Average daylight: 8h and 39min).
The month with the most sunshine is July (Average sunshine: 9.8h).
The month with the least sunshine is November (Average sunshine: 2.3h).
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).