Williamstown, WV has a humid continental climate with moderate temperatures throughout the year. The area experiences warm summers with temperatures ranging from the mid-60s to mid-80s and cold winters with temps averaging in the low 20s and high teens. Precipitation is fairly even throughout the year, with an average of around 40 inches of rain and snow. Summer months bring more rain than snow, while winter months see an increase in snowfall. Due to its location on the western edge of West Virginia, Williamstown enjoys milder winters than other parts of the state.
Williamstown (zip 26187), West Virginia gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Williamstown (zip 26187) averages 20 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 175 sunny days per year in Williamstown (zip 26187). The US average is 205 sunny days.
Williamstown (zip 26187) gets some kind of precipitation, on average, 145 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 86 degrees
Winter Low: the January low is 23
Rain: averages 42 inches of rain a year
Snow: averages 20 inches of snow a year