Perryville (zip 21903), Maryland gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Perryville (zip 21903) averages 15 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 203 sunny days per year in Perryville (zip 21903). The US average is 205 sunny days.
Perryville (zip 21903) gets some kind of precipitation, on average, 117 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 88 degrees
Winter Low: the January low is 24
Rain: averages 46 inches of rain a year
Snow: averages 15 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for the 21903 zip code is 7.3 (10=best), which means it is more comfortable than most places in Maryland.
7.3 / 10
September, June and May are the most pleasant months in the 21903 zip code, while January and February are the least comfortable months.