Killingworth, Connecticut has a humid continental climate. Summers are generally hot and humid with frequent thunderstorms, while winters are cold and snowy. Average temperatures range from the mid-20s in winter to the mid-70s in summer. Precipitation is abundant throughout the year, averaging around 46 inches per year. The town is subject to occasional strong storms in spring and fall, such as nor'easters and severe thunderstorms. Snowfall can be quite heavy during winter months, totaling up to 28 inches in some years.
Killingworth, Connecticut gets 52 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Killingworth averages 35 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 193 sunny days per year in Killingworth. The US average is 205 sunny days.
Killingworth gets some kind of precipitation, on average, 111 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 35 inches of snow a year