Williamsville, NY enjoys a pleasant climate for most of the year. During the summer months it typically stays in the mid to upper 70s with occasional short periods of heat waves reaching in the low 90s. The winter months tend to be colder with temperatures ranging from the 20s up into the 40s on average. Snowfall is common during the winter months and can be anywhere from 1-3 feet depending on snowfall amounts. Generally speaking, Williamsville has a mild climate with comfortable temperatures throughout the year.
Williamsville, New York gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Williamsville averages 84 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 157 sunny days per year in Williamsville. The US average is 205 sunny days.
Williamsville gets some kind of precipitation, on average, 161 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 18
Rain: averages 39 inches of rain a year
Snow: averages 84 inches of snow a year