Jefferson, NY experiences mild summers and cold winters. The area is known for its temperate climate that brings warm, humid days in the summertime and chilly nights in the winter months. It is not uncommon to experience snowfall during January and February as well as occasional thunderstorms during the summer months. Overall, Jefferson experiences a comfortable climate that is inviting to visitors throughout the year.
Jefferson, New York gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Jefferson averages 46 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 180 sunny days per year in Jefferson. The US average is 205 sunny days.
Jefferson gets some kind of precipitation, on average, 140 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 79 degrees
Winter Low: the January low is 10
Rain: averages 45 inches of rain a year
Snow: averages 46 inches of snow a year