Gettysburg, PA has a humid continental climate with hot summers and cold winters. Average temperatures range from 30°F in the winter to 85°F in the summer months. The town receives an average of 39 inches of precipitation annually with maximums occurring from May to September. Winters are generally snowier than other parts of Pennsylvania due to an elevation higher than the surrounding area. Gettysburg experiences its most extreme temperatures during the months of July and January, with lows ranging from 21-23 degrees and highs reaching 87-90 degrees Fahrenheit.
Gettysburg, Pennsylvania gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Gettysburg averages 25 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 195 sunny days per year in Gettysburg. The US average is 205 sunny days.
Gettysburg gets some kind of precipitation, on average, 119 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 21
Rain: averages 43 inches of rain a year
Snow: averages 25 inches of snow a year