Warmest month (with highest average high temperature) is August (72°F).
Month with lowest average high temperature is January (43.5°F).
Month with highest average low temperature is July (48.6°F).
Coldest month (with lowest average low temperature) is January (12.6°F).
Month with highest relative humidity is September (75%).
Month with lowest relative humidity is January (51%).
Wettest month (with highest rainfall) is June (4.9").
Driest month (with lowest rainfall) is December (0.2").
Month with highest number of rainy days is June (21.7 days).
Month with lowest number of rainy days is December (4.1 days).
Month with most sunshine is December (Average sunshine: 5.7).
Month with least sunshine is September (Average sunshine: 3.8).