Warmest month (with highest average high temperature) is July (83.3°F).
Month with lowest average high temperature is January (13.8°F).
Month with highest average low temperature is July (66.9°F).
Coldest month (with lowest average low temperature) is January (-6°F).
Months with highest relative humidity are July and August (75%).
Month with lowest relative humidity is April (48%).
Wettest month (with highest rainfall) is July (5").
Driest months (with lowest rainfall) are January, February and December (0.1").
Month with highest number of rainy days is July (13.2 days).
Month with lowest number of rainy days is January (2.3 days).
Month with most sunshine is May (Average sunshine: 8.7).
Month with least sunshine is December (Average sunshine: 5.3).