Rockville, CT has a humid continental climate, with cold and snowy winters and moderate to hot summers. Summers are usually warm and humid, with occasional heat waves. Winters are typically cold and snowy, with frequent freezing temperatures. Spring and fall are usually mild, although there can be periods of colder weather with snowfall during these seasons as well. Precipitation is plentiful year round in Rockville, especially during the spring and summer months. The area receives an average of 43 inches of rain per year.
Rockville, Connecticut gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rockville averages 35 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 Rockville. The US average is 205 sunny days.
Rockville 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 82 degrees
Winter Low: the January low is 17
Rain: averages 48 inches of rain a year
Snow: averages 35 inches of snow a year