The warmest month (with the highest average high temperature) is August (79.6°F).
The month with the lowest average high temperature is December (35.1°F).
The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is December (23.1°F).
The wettest month (with the highest rainfall) is May (3.1").
Driest months (with the lowest rainfall) are August and September (1.2").
The month with the highest number of rainy days is May (15 days).
Months with the lowest number of rainy days are July, August and September (6 days).
The month with the highest snowfall is December (14").
Months with the lowest snowfall are June, July, August and September (0").