Grantsville, WV, has a humid continental climate. Summers are hot and humid, while winters can be quite cold with frequent snowfall. The area experiences four distinct seasons with periods of moderate temperatures throughout the year. Precipitation is abundant in most months, with average annual totals between 40 and 50 inches of rain and 12 to 20 inches of snow. The area also gets plenty of sunshine throughout the year—averaging around 200 days per year—which helps mitigate colder temperatures compared to other places in the region.
Grantsville (zip 26147), West Virginia gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Grantsville (zip 26147) averages 24 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 Grantsville (zip 26147). The US average is 205 sunny days.
Grantsville (zip 26147) gets some kind of precipitation, on average, 149 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 85 degrees
Winter Low: the January low is 20
Rain: averages 46 inches of rain a year
Snow: averages 24 inches of snow a year