Chester, Pennsylvania gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Chester averages 15 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 206 sunny days per year in Chester. The US average is 205 sunny days.
Chester gets some kind of precipitation, on average, 112 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.
Summer High: the July high is around 87 degrees
Winter Low: the January low is 27
Rain: averages 43 inches of rain a year
Snow: averages 15 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Chester is 7.3 (10=best), which means it is one of the most pleasant places in Pennsylvania.
7.3 / 10
September, June and May are the most pleasant months in Chester, while January and February are the least comfortable months.