Seneca, Pennsylvania has a humid continental climate that is characterized by warm to hot summers and very cold winters. The average summer temperature in Seneca is around 70-80°F, while winter temperatures can range from the mid-teens to the low 30’s. Precipitation is spread evenly throughout the year, with rainfall reaching an average of 35 inches annually. Snowfall is also common during the winter months, though total accumulation varies widely from year to year. Residents of Seneca typically experience all four seasons with distinct changes in weather patterns throughout the year.
Seneca, Pennsylvania gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Seneca averages 59 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 159 sunny days per year in Seneca. The US average is 205 sunny days.
Seneca gets some kind of precipitation, on average, 169 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 45 inches of rain a year
Snow: averages 59 inches of snow a year