Brookhaven, PA enjoys a moderate climate year-round with warm summers and mild winters. The average high temperature in the summer is around 80 degrees Fahrenheit, with temperatures rarely exceeding 90 degrees. In the winter months, the average low temperature is about 30 degrees Fahrenheit, with temperatures rarely dropping below 20. Rainfall is spread evenly throughout the seasons and snowfall averages around 12 inches per year. Humidity levels are usually quite comfortable during the summer months but can become quite uncomfortable at times during the colder winter months.
Brookhaven, Pennsylvania gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Brookhaven averages 15 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 208 sunny days per year in Brookhaven. The US average is 205 sunny days.
Brookhaven gets some kind of precipitation, on average, 112 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 87 degrees
Winter Low: the January low is 27
Rain: averages 43 inches of rain a year
Snow: averages 15 inches of snow a year