Warmest month (with highest average high temperature) is August (85.3°F).
Month with lowest average high temperature is January (32.7°F).
Months with highest average low temperature are July and August (63°F).
Coldest month (with lowest average low temperature) is January (18.7°F).
Months with highest relative humidity are January and December (65%).
Months with lowest relative humidity are August and September (36%).
Wettest month (with highest rainfall) is May (2.2").
Driest month (with lowest rainfall) is September (0.4").
Month with highest number of rainy days is May (9.8 days).
Month with lowest number of rainy days is September (1.9 days).
Month with most sunshine is July (Average sunshine: 10.5).
Month with least sunshine is December (Average sunshine: 3.9).