Harwinton, Connecticut has a humid continental climate with hot and humid summers, cold winters, and ample precipitation throughout the year. During the summer months, temperatures range from highs of around 80 degrees Fahrenheit to lows of around 60 degrees Fahrenheit. In the winter months, average temperatures range from highs in the 30s to lows in the teens. Harwinton receives an average of 42 inches of precipitation per year spread out evenly across all four seasons. The area experiences an average of 105 sunny days each year as well.
Harwinton, Connecticut gets 53 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Harwinton averages 53 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 192 sunny days per year in Harwinton. The US average is 205 sunny days.
Harwinton gets some kind of precipitation, on average, 121 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 81 degrees
Winter Low: the January low is 13
Rain: averages 53 inches of rain a year
Snow: averages 53 inches of snow a year