South Windham, CT has a humid continental climate with cold winters and warm summers. Winters in the area are usually cold, snowy, and wet, while the summers tend to be hot and humid. The average high temperature in July is around 84 degrees Fahrenheit (29 Celsius) and the average low temperature in January is around 18 degrees Fahrenheit (-7 Celsius). Snowfall is common throughout winter, with an average annual snowfall of about 25 inches. Rain is most common from April to August, though it does occur throughout the year.
South Windham, Connecticut gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.
South Windham averages 33 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 197 sunny days per year in South Windham. The US average is 205 sunny days.
South Windham gets some kind of precipitation, on average, 117 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 82 degrees
Winter Low: the January low is 15
Rain: averages 51 inches of rain a year
Snow: averages 33 inches of snow a year