Warmest month (with highest average high temperature) is July (90.5°F).
Month with lowest average high temperature is January (45.3°F).
Month with highest average low temperature is July (78.3°F).
Coldest month (with lowest average low temperature) is January (34.3°F).
Month with highest relative humidity is June (80%).
Month with lowest relative humidity is December (71%).
Wettest month (with highest rainfall) is June (11").
Driest month (with lowest rainfall) is December (1.3").
Month with highest number of rainy days is March (15.2 days).
Month with lowest number of rainy days is December (6.5 days).
Month with most sunshine is August (Average sunshine: 7.1).
Month with least sunshine is January (Average sunshine: 3.4).