The climate in Dallastown, PA is characterized by warm summers and cold winters. The average high temperature during the summer months of June through August is typically around 80 degrees Fahrenheit, with temperatures occasionally reaching into the 90s. On the other hand, the average low for winter months of December through February range between 20 to 30 degrees Fahrenheit. Precipitation throughout the year is fairly even but typically higher during the spring and summer months. Snowfall is minimal during most years, with an average of just over 19 inches per season.
Dallastown, Pennsylvania gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Dallastown averages 29 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 200 sunny days per year in Dallastown. The US average is 205 sunny days.
Dallastown gets some kind of precipitation, on average, 121 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 22
Rain: averages 45 inches of rain a year
Snow: averages 29 inches of snow a year