Williston, VT has a humid continental climate, with warm summers and cold winters. The average annual temperature is around 41° F (5° C). During the summer months, temperatures can reach the high 80s or even low 90s (about 30-35°C). It also receives an average of about 43 inches of precipitation every year, mostly in the form of rain and snow during winter. In the colder months, temperatures often dip below freezing levels and occasionally Williston receives a few light snowfalls. Overall, Williston experiences four distinct seasons and its climate is generally mild all year round.
Williston, Vermont gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Williston averages 79 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 159 sunny days per year in Williston. The US average is 205 sunny days.
Williston gets some kind of precipitation, on average, 155 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 9
Rain: averages 40 inches of rain a year
Snow: averages 79 inches of snow a year