Zip 21071 (Glyndon, MD) Climate

21071 Glyndon, MD experiences a humid subtropical climate with hot, long summers and mild winters. The area typically receives abundant rainfall throughout the year. Average temperatures range from 40°F in winter to 86°F in summer, with occasional periods of extreme heat during the hottest months of the year. Winters can be mild and snowfall is usually light or nonexistent during this time of year. Spring and autumn are generally pleasant seasons with moderate temperatures and sunshine.

Glyndon (zip 21071), Maryland gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Glyndon (zip 21071) averages 24 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 Glyndon (zip 21071). The US average is 205 sunny days.

Glyndon (zip 21071) gets some kind of precipitation, on average, 118 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 23
Rain: averages 45 inches of rain a year
Snow: averages 24 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 21071 zip code is 7.2 (10=best), which means it is less comfortable than most places in Maryland.

8.5 Summer - 5.5 Winter

September, June and May are the most pleasant months in the 21071 zip code, while January and February are the least comfortable months.

Climate	Glyndon, Maryland	United States
	Unlock	38.1 in.
	24.2 in.	Unlock
	Unlock	106.2 days
	213 days	Unlock
	86.5°	85.8°
	Unlock	21.7°
	7.2	Unlock
	Unlock	4.3
	664 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 21071 zip code with an average high temperature of 86.5°, which ranks it as cooler than most places in Maryland. In the 21071 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 21071 zip code are September, May and June.

In the 21071 zip code, there are 20.1 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 21071 zip code with an average of 22.7°. This is colder than most places in Maryland.

In the 21071 zip code, there are 104.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Maryland.

In the 21071 zip code, there are 0.9 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Maryland.

The humidity is usually comfortable in the 21071 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 21071 zip code with 4.3 inches of rain, and the driest month is February with 2.9 inches. The wettest season is Summer with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 44.5 inches in the 21071 zip code means that it is wetter than most places in Maryland.

May is the rainiest month in the 21071 zip code with 12.4 days of rain, and October is the driest month with only 8.1 rainy days. There are 117.9 rainy days annually in the 21071 zip code, which is rainier than most places in Maryland. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 24.2 inches in the 21071 zip code means that it is snowier than most places in Maryland. February is the snowiest month in the 21071 zip code with 7.8 inches of snow, and 5 months of the year have significant snowfall.

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