18434 Jessup, PA has a humid continental climate with warm, humid summers and cold, wet winters. During the summer months, temperatures tend to reach into the high 80s and lows in the mid-70s. During the winter, temperatures generally range from the mid-30s to the low 40s. Precipitation is fairly evenly spread throughout the year, with most months receiving around 3 inches of rain or snow. Humidity levels are also usually high throughout most of the year due to its proximity to Lake Erie and Lake Ontario.
Jessup (zip 18434), Pennsylvania gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Jessup (zip 18434) averages 52 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 176 sunny days per year in Jessup (zip 18434). The US average is 205 sunny days.
Jessup (zip 18434) gets some kind of precipitation, on average, 135 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 42 inches of rain a year
Snow: averages 52 inches of snow a year