The climate in 21140 Riva, MD is typically humid and hot in the summer months, with temperatures reaching up to 90 degrees Fahrenheit on average. In the winter months, temperatures average around 45 degrees Fahrenheit. Precipitation is fairly evenly distributed throughout the year and snowfall is minimal. The area receives about three inches of rain per month on average and experiences milder weather conditions than some other parts of Maryland due to its close proximity to the Chesapeake Bay.
Riva (zip 21140), Maryland gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Riva (zip 21140) averages 12 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 Riva (zip 21140). The US average is 205 sunny days.
Riva (zip 21140) 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.
Weather Highlights
Summer High: the July high is around 87 degrees
Winter Low: the January low is 28
Rain: averages 45 inches of rain a year
Snow: averages 12 inches of snow a year