Winchester, CT has a humid continental climate, with warm, humid summers and cold winters. Precipitation is plentiful throughout the year, although snowfall can be heavy in the winter. The average temperature ranges from 25°F in the winter to 76°F in the summer. The area also experiences four distinct seasons: spring, summer, autumn, and winter. Spring is usually mild and wet with occasional showers; summer is warm and humid; autumn is cool and crisp; and winter brings cold temperatures with occasional snowstorms.
Winchester, Connecticut gets 52 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Winchester averages 53 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 198 sunny days per year in Winchester. The US average is 205 sunny days.
Winchester gets some kind of precipitation, on average, 125 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 81 degrees
Winter Low: the January low is 14
Rain: averages 52 inches of rain a year
Snow: averages 53 inches of snow a year