South Lebanon, PA has a temperate climate with hot summers and mild winters. Average temperatures range from the low thirties in the winter to the mid-eighties in the summer months. The region receives an average of 40 inches of rainfall each year, spread out over most of the year. Humidity levels typically range from 30-50% and are highest during July and August. Snowfall is relatively minimal, averaging around 20 inches annually. Although temperatures can take some time to adjust to during transitional seasons, overall South Lebanon enjoys a pleasant climate throughout the year.
South Lebanon, Pennsylvania gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
South Lebanon averages 25 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 197 sunny days per year in South Lebanon. The US average is 205 sunny days.
South Lebanon gets some kind of precipitation, on average, 115 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 85 degrees
Winter Low: the January low is 21
Rain: averages 43 inches of rain a year
Snow: averages 25 inches of snow a year