Warmest months (with highest average high temperature) are June, July and August (64°F).
Month with lowest average high temperature is January (45°F).
Month with highest average low temperature is July (52°F).
Coldest month (with lowest average low temperature) is January (21°F).
Wettest month (with highest rainfall) is July (21.6").
Driest month (with lowest rainfall) is December (0.2").
Month with highest number of rainy days is July (20 days).
Month with lowest number of rainy days is December (0 days).
Months with longest days are May, June and July (Average daylight: 14).
Month with shortest days is December (Average daylight: 10).
Months with most sunshine are March, April and November (Average sunshine: 8).
Month with least sunshine is July (Average sunshine: 4).
Months with highest UV index are April, May, June, July, August and September (UV index 12).
Month with lowest UV index is December (UV index 5).