Zip 20737 (East Riverdale, MD) Climate

20737 East Riverdale, MD is located in the humid subtropical climate region of the United States. Summers are hot and humid with average highs reaching into the low 90s Fahrenheit (30+ Celsius) while winters are typically cool to mild with temperatures averaging between the mid 30s Fahrenheit (1-2 Celsius). Precipitation is fairly evenly distributed throughout the year, with frequent rain showers and occasional snowfall. The area receives an average of 45 inches (114 cm) of precipitation each year.

East Riverdale (zip 20737), Maryland gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.

East Riverdale (zip 20737) averages 13 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 East Riverdale (zip 20737). The US average is 205 sunny days.

East Riverdale (zip 20737) gets some kind of precipitation, on average, 112 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 89 degrees
Winter Low: the January low is 26
Rain: averages 43 inches of rain a year
Snow: averages 13 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 20737 zip code is 7.3 (10=best), which means it is more comfortable than most places in Maryland.

7.7 Summer - 5.9 Winter

September, May and June are the most pleasant months in the 20737 zip code, while January and February are the least comfortable months.

Climate	East Riverdale, Maryland	United States
	Unlock	38.1 in.
	13.1 in.	Unlock
	Unlock	106.2 days
	202 days	Unlock
	88.7°	85.8°
	Unlock	21.7°
	7.3	Unlock
	Unlock	4.3
	90 ft.	Unlock

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for the 20737 zip code with an average high temperature of 88.7°, which ranks it as one of the hottest places in Maryland. In the 20737 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 20737 zip code are May, September and June.

In the 20737 zip code, there are 36.6 days annually when the high temperature is over 90°, which is one of the hottest places in Maryland.

January has the coldest nighttime temperatures for the 20737 zip code with an average of 25.6°. This is warmer than most places in Maryland.

In the 20737 zip code, there are 86.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Maryland.

In the 20737 zip code, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Maryland.

The humidity can be uncomfortably heavy or close in the 20737 zip code during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in the 20737 zip code.

July is the wettest month in the 20737 zip code with 4.4 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Autumn with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 43.1 inches in the 20737 zip code means that it is about average compared to other places in Maryland.

May is the rainiest month in the 20737 zip code with 11.2 days of rain, and October is the driest month with only 8.1 rainy days. There are 111.9 rainy days annually in the 20737 zip code, which is less rainy than most places in Maryland. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 13.1 inches in the 20737 zip code means that it is less snowy than most places in Maryland. January is the snowiest month in the 20737 zip code with 5.7 inches of snow, and 5 months of the year have significant snowfall.

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