17801 Sunbury, PA has a humid continental climate with cold winters and warm summers. The average temperature in the winter is around 28 degrees F and the average high during the summer months is around 82 degrees F. Precipitation is evenly distributed throughout the year, with an average of around 43 inches per year. Winters can be very cold and snowfall can reach up to 18 inches during an average season. Summers are hot and humid with occasional thunderstorms and periods of prolonged rain.
Sunbury (zip 17801), Pennsylvania gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sunbury (zip 17801) averages 30 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 178 sunny days per year in Sunbury (zip 17801). The US average is 205 sunny days.
Sunbury (zip 17801) gets some kind of precipitation, on average, 127 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 84 degrees
Winter Low: the January low is 19
Rain: averages 42 inches of rain a year
Snow: averages 30 inches of snow a year