Accident (zip 21520), Maryland Weather

The most pleasant months of the year for the 21520 zip code are August, July and June. In the 21520 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the 21520 zip code with an average high temperature of 78.6°, which ranks it as one of the coolest places in Maryland. January is the snowiest month in the 21520 zip code with 33.5 inches of snow, and 7 months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.

Weather Highlights

Summer High: the July high is around 79 degrees
Winter Low: the January low is 16
Rain: averages 49 inches of rain a year
Snow: averages 125 inches of snow a year

BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Accident (zip 21520) area is 9.1 (10=best), which means it is more comfortable than most places in Maryland.

9.1 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.

Average Monthly High and Low (°F)

	High	Low
January	33°	16°
February	37°	19°
March	47°	26°
April	59°	36°
May	67°	46°
June	75°	54°
July	79°	59°
August	78°	57°
September	71°	50°
October	60°	39°
November	49°	30°
December	38°	21°

Hot, Freezing, Rainy, Snowy Days: Accident

	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0	28	18	13
February	0	25	15	10
March	0	23	16	7
April	0	11	15	3
May	0	2	16	0
June	0	0	14	0
July	0	0	14	0
August	1	0	12	0
September	0	0	12	0
October	0	7	12	1
November	0	18	14	4
December	0	27	17	10

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.

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Zip 21520 (Accident, MD) Weather