Zip 21740 (Hagerstown, MD) Climate

The climate in 21740 Hagerstown, MD is temperate and humid. The summers are usually hot, with the average daily temperatures ranging from the mid-70s to the mid-80s Fahrenheit. Winters are cold and wet, with temperatures typically dropping into the low 20's overnight. Rainfall is abundant all year round while snowfall occurs mainly in January and February. Humidity levels are generally high throughout the year and may pose a challenge for those who are not used to it.

Hagerstown (zip 21740), Maryland gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Hagerstown (zip 21740) averages 25 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 197 sunny days per year in Hagerstown (zip 21740). The US average is 205 sunny days.

Hagerstown (zip 21740) gets some kind of precipitation, on average, 119 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 86 degrees
Winter Low: the January low is 22
Rain: averages 41 inches of rain a year
Snow: averages 25 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 21740 zip code is 7.2 (10=best), which means it is less comfortable than most places in Maryland.

8.7 Summer - 5.4 Winter

June, September and August are the most pleasant months in the 21740 zip code, while January and February are the least comfortable months.

Climate	Hagerstown, Maryland	United States
	40.7 in.	38.1 in.
	24.5 in.	27.8 in.
	119.3 days	106.2 days
	197 days	205 days
	86.0°	85.8°
	21.9°	21.7°
	7.2	7
	3.9	4.3
	556 ft.	2443 ft.

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 21740 zip code with an average high temperature of 86.0°, which ranks it as cooler than most places in Maryland. In the 21740 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 21740 zip code are September, June and May.

In the 21740 zip code, there are 17.5 days annually when the high temperature is over 90°, which is cooler than most places in Maryland.

January has the coldest nighttime temperatures for the 21740 zip code with an average of 21.9°. This is colder than most places in Maryland.

In the 21740 zip code, there are 111.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Maryland.

In the 21740 zip code, there are 0.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Maryland.

The humidity is usually comfortable in the 21740 zip code but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.

May is the wettest month in the 21740 zip code with 4.1 inches of rain, and the driest month is February with 2.4 inches. The wettest season is Summer with 28% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 40.7 inches in the 21740 zip code means that it is one of the driest places in Maryland.

May is the rainiest month in the 21740 zip code with 12.3 days of rain, and October is the driest month with only 8.5 rainy days. There are 119.3 rainy days annually in the 21740 zip code, which is rainier 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 23% chance of a rainy day.

An annual snowfall of 24.5 inches in the 21740 zip code means that it is snowier than most places in Maryland. January is the snowiest month in the 21740 zip code with 7.9 inches of snow, and 5 months of the year have significant snowfall.

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