Mardela Springs (zip 21837), Maryland gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mardela Springs (zip 21837) averages 6 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 209 sunny days per year in Mardela Springs (zip 21837). The US average is 205 sunny days.
Mardela Springs (zip 21837) gets some kind of precipitation, on average, 110 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 28
Rain: averages 45 inches of rain a year
Snow: averages 6 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for the 21837 zip code is 7.5 (10=best), which means it is one of the most pleasant places in Maryland.
7.5 / 10
September, May and June are the most pleasant months in the 21837 zip code, while January and February are the least comfortable months.