Warmest month (with highest average high temperature) is July (78.4°F).
Month with lowest average high temperature is January (-2.6°F).
Month with highest average low temperature is July (57.7°F).
Coldest month (with lowest average low temperature) is January (-22°F).
Month with highest relative humidity is December (80%).
Month with lowest relative humidity is May (46%).
Wettest month (with highest rainfall) is July (4").
Driest months (with lowest rainfall) are January and February (0.1").
Month with highest number of rainy days is July (14.5 days).
Month with lowest number of rainy days is March (5.6 days).
Month with most sunshine is May (Average sunshine: 9.6).
Month with least sunshine is December (Average sunshine: 4.5).