The warmest month (with the highest average high temperature) is July (79.4°F).
The month with the lowest average high temperature is January (25.1°F).
The month with the highest average low temperature is July (40.7°F).
The coldest month (with the lowest average low temperature) is January (-7.7°F).
The wettest month (with the highest rainfall) is September (1.5").
The driest month (with the lowest rainfall) is December (0.3").