Warmest months (with the highest average high temperature) are July and August (86°F).
The month with the lowest average high temperature is December (29°F).
The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is December (14°F).
The wettest month (with the highest rainfall) is December (2.5").
The driest month (with the lowest rainfall) is September (0.4").