Grafton, West Virginia has a humid continental climate with warm summer months and cold winters. The average annual temperature is around 48掳F (8.9掳C). Summers range from mildly warm to hot and humid, with temperatures reaching up to 90掳F (32掳C). During the winter, temperatures can drop below freezing for weeks at a time, and snowfall is not uncommon. Grafton receives about 40 inches of rain per year, which is spread out across all four seasons. The area also experiences moderate amounts of sunshine throughout the year.
Grafton, West Virginia gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Grafton averages 36 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 151 sunny days per year in Grafton. The US average is 205 sunny days.
Grafton gets some kind of precipitation, on average, 153 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 82 degrees
Winter Low: the January low is 22
Rain: averages 47 inches of rain a year
Snow: averages 36 inches of snow a year