Northwest Harwinton, CT has a humid continental climate which is characterized by hot summers and cold winters. During the summer months, temperatures generally reach into the mid 80s with high humidity. Winters can be quite cold with temperatures dipping below freezing and snowfall occurring from December through March. Spring and fall are typically milder with temperatures ranging from the mid 40s to low 70s. The area is known for its abundant precipitation throughout the year due to its location in the eastern portion of the state where most of Connecticut's precipitation occurs.
Northwest Harwinton, Connecticut gets 53 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Northwest Harwinton averages 53 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 194 sunny days per year in Northwest Harwinton. The US average is 205 sunny days.
Northwest 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