The climate in 03240 Grafton, NH is characterized by four distinct seasons. Summers are warm and humid, with average temperatures ranging from the mid-60s to 80 degrees Fahrenheit. Winters are cold and snowy, with average temperatures between 10 and 20 degrees Fahrenheit. Spring and autumn offer milder temperatures, with an average range of 40 to 60 degrees Fahrenheit. Throughout the year, precipitation is abundant and can come in the form of snow, rain, or a combination of both. The total annual rainfall ranges from 35 to 45 inches per year.
Grafton (zip 03240), New Hampshire gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Grafton (zip 03240) averages 72 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 199 sunny days per year in Grafton (zip 03240). The US average is 205 sunny days.
Grafton (zip 03240) gets some kind of precipitation, on average, 136 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 79 degrees
Winter Low: the January low is 7
Rain: averages 48 inches of rain a year
Snow: averages 72 inches of snow a year