The warmest month (with the highest average high temperature) is September (72°F).
The month with the lowest average high temperature is December (56°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 (39°F).
The month with the highest number of rainy days is January (20 days).
The month with the lowest number of rainy days is July (4 days).
The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).