Seymour, CT has a temperate climate with mild summers and cold winters. The average temperature in the summer is around 75 degrees Fahrenheit and the average temperature in the winter is around 30 degrees Fahrenheit. Rainfall is moderate throughout the year, with occasional snowfall in the winter months. The humidity levels are usually low throughout the year, making for comfortable weather conditions most of the time. Overall, Seymour's climate is pleasant and enjoyable for both visitors and residents alike all year round.
Seymour, Connecticut gets 52 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Seymour averages 37 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 206 sunny days per year in Seymour. The US average is 205 sunny days.
Seymour gets some kind of precipitation, on average, 114 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 84 degrees
Winter Low: the January low is 19
Rain: averages 52 inches of rain a year
Snow: averages 37 inches of snow a year