Colchester, CT has a humid continental climate with cold winters and warm summers. The average high in July is around 82 degrees Fahrenheit and the average low in January is around 18 degrees Fahrenheit. Snowfall averages around 40 inches per year, with an occasional heavy snowfall making winter activities very enjoyable. Rainfall averages at about 47 inches per year, usually falling during the spring months and occasionally during fall and winter. The humidity levels are typically quite moderate due to the proximity to Long Island Sound, making Colchester's climate fairly comfortable overall.
Colchester, Connecticut gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Colchester averages 35 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 190 sunny days per year in Colchester. The US average is 205 sunny days.
Colchester gets some kind of precipitation, on average, 118 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 83 degrees
Winter Low: the January low is 17
Rain: averages 51 inches of rain a year
Snow: averages 35 inches of snow a year