Warmest months (with the highest average high temperature) are July and August (91°F).
The month with the lowest average high temperature is December (63°F).
The month with the highest average low temperature is August (78°F).
The coldest month (with the lowest average low temperature) is January (42°F).
The wettest month (with the highest rainfall) is September (6.9").
Driest months (with the lowest rainfall) are March and April (2.8").
The month with the longest days is June (Average daylight: 14h).
The month with shortest days is December (Average daylight: 10.3h).