Windham County, Vermont has a humid continental climate with cold winters and warm summers. The average annual temperature is around 45 °F (7 °C). During the winter months, temperatures can plummet to as low as -20 °F (-29 °C). Snowfall is common throughout the winter months with an average of 73 inches (185 cm). Summers are usually mild and sunny with temperatures reaching up to 85°F (29° C). Precipitation is abundant with average yearly rainfall of 43 inches (109 cm) and occasional thunderstorms during late spring and summer months.
Windham County, Vermont gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Windham County averages 83 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 191 sunny days per year in Windham County. The US average is 205 sunny days.
Windham County gets some kind of precipitation, on average, 145 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 80 degrees
Winter Low: the January low is 10
Rain: averages 50 inches of rain a year
Snow: averages 83 inches of snow a year