The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (45.8°F).
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
The wettest month (with the highest rainfall) is May (3").
The driest month (with the lowest rainfall) is December (0.5").
The month with the highest snowfall is March (9.2").
Months with the lowest snowfall are June, July, August and September (0").