03809 Alton, NH has a humid continental climate with warm summers and cold winters. In the summer, temperatures can reach into the 80s with high humidity. In the winter, temperatures drop below freezing with frequent snowfall. While the region does experience all four seasons, it tends to have fairly mild weather throughout the year in comparison to other parts of New England. The area is also known for its scenic views during every season, from lush green forests in the summer to snow-capped mountains in the winter.
Alton (zip 03809), New Hampshire gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Alton (zip 03809) averages 60 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 Alton (zip 03809). The US average is 205 sunny days.
Alton (zip 03809) 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 81 degrees
Winter Low: the January low is 10
Rain: averages 47 inches of rain a year
Snow: averages 60 inches of snow a year