Brentwood (zip 15227), Pennsylvania gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Brentwood (zip 15227) averages 33 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 162 sunny days per year in Brentwood (zip 15227). The US average is 205 sunny days.
Brentwood (zip 15227) gets some kind of precipitation, on average, 144 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.
Summer High: the July high is around 83 degrees
Winter Low: the January low is 21
Rain: averages 39 inches of rain a year
Snow: averages 33 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for the 15227 zip code is 7.0 (10=best), which means it is more comfortable than most places in Pennsylvania.
7 / 10
June, September and August are the most pleasant months in the 15227 zip code, while January and February are the least comfortable months.