West Whiteland, PA has a humid continental climate with warm and sometimes hot summers and cold winters. Precipitation is common throughout most of the year with snowfall during the winter months. The average temperature in July is 73°F (23°C) and in January it drops to 28°F (-2°C). Rainfall averages around 40 inches (101 cm) per year with snowfall averaging around 17 inches (43 cm). The area typically has fairly mild autumns and springs, but can experience very unpredictable weather.
West Whiteland, Pennsylvania gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.
West Whiteland averages 25 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 202 sunny days per year in West Whiteland. The US average is 205 sunny days.
West Whiteland gets some kind of precipitation, on average, 122 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 49 inches of rain a year
Snow: averages 25 inches of snow a year