Wheaton (zip 20902), Maryland gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Wheaton (zip 20902) averages 14 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 Wheaton (zip 20902). The US average is 205 sunny days.
Wheaton (zip 20902) 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 87 degrees
Winter Low: the January low is 25
Rain: averages 43 inches of rain a year
Snow: averages 14 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for the 20902 zip code is 7.3 (10=best), which means it is more comfortable than most places in Maryland.
8 / 5.8
Summer / Winter
September, May and June are the most pleasant months in the 20902 zip code, while January and February are the least comfortable months.