Jamestown, PA has a continental climate with cold winters and warm summers. Average temperatures range from an average low of 28°F in January to an average high of 79°F in July. Rainfall is spread fairly evenly throughout the year with an average of 40 inches per year. Snowfall averages around 36 inches each year, usually falling between November and April. The climate in Jamestown is typically mild but can get fairly cold during the winter months.
Jamestown, Pennsylvania gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Jamestown averages 60 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 158 sunny days per year in Jamestown. The US average is 205 sunny days.
Jamestown gets some kind of precipitation, on average, 158 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 16
Rain: averages 41 inches of rain a year
Snow: averages 60 inches of snow a year