Middle River (zip 21220), Maryland gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Middle River (zip 21220) averages 15 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 213 sunny days per year in Middle River (zip 21220). The US average is 205 sunny days.
Middle River (zip 21220) gets some kind of precipitation, on average, 111 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 89 degrees
Winter Low: the January low is 29
Rain: averages 43 inches of rain a year
Snow: averages 15 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for the 21220 zip code is 7.1 (10=best), which means it is less comfortable than most places in Maryland.
7.1 / 10
May, September and October are the most pleasant months in the 21220 zip code, while January and February are the least comfortable months.