17340 Littlestown, PA experiences a humid continental climate with four distinct seasons. Summers are hot and humid, with average highs of 82 degrees Fahrenheit, while winters are cold and snowy, with average lows of 21 degrees Fahrenheit. In the spring and fall, temperatures are milder, with averages ranging from 40 to 60 degrees Fahrenheit. Precipitation is plentiful throughout the year, averaging around 42 inches annually. Snowfall in the winter months can range from 10-20 inches per year.
Littlestown (zip 17340), Pennsylvania gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Littlestown (zip 17340) averages 26 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 196 sunny days per year in Littlestown (zip 17340). The US average is 205 sunny days.
Littlestown (zip 17340) 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 86 degrees
Winter Low: the January low is 20
Rain: averages 43 inches of rain a year
Snow: averages 26 inches of snow a year