Zip 20882 (Gaithersburg, MD) Climate

20882 Gaithersburg, MD has a humid subtropical climate with hot and humid summers and mild winters. The summer months usually have high temperatures in the upper 80s and low 90s Fahrenheit, while the winter temperatures can dip into the 40s. Precipitation is generally well-distributed throughout the year, with summer thunderstorms common due to the warm and moist air that comes from the Gulf of Mexico. Spring is typically very pleasant with mild temperatures and sunny skies, while autumn usually brings cool evenings and beautiful foliage. Overall, 20882 Gaithersburg, MD enjoys four distinct seasons with moderate weather year round.

Gaithersburg (zip 20882), Maryland gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Gaithersburg (zip 20882) averages 25 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 200 sunny days per year in Gaithersburg (zip 20882). The US average is 205 sunny days.

Gaithersburg (zip 20882) gets some kind of precipitation, on average, 117 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 85 degrees
Winter Low: the January low is 25
Rain: averages 44 inches of rain a year
Snow: averages 25 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 20882 zip code is 7.3 (10=best), which means it is more comfortable than most places in Maryland.

8.6 Summer - 5.5 Winter

September, June and May are the most pleasant months in the 20882 zip code, while January and February are the least comfortable months.

Climate	Gaithersburg, Maryland	United States
	Unlock	38.1 in.
	24.9 in.	Unlock
	Unlock	106.2 days
	200 days	Unlock
	84.9°	85.8°
	Unlock	21.7°
	7.3	Unlock
	Unlock	4.3
	488 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 20882 zip code with an average high temperature of 84.9°, which ranks it as one of the coolest places in Maryland. In the 20882 zip code, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 20882 zip code are September, June and August.

In the 20882 zip code, there are 14.0 days annually when the high temperature is over 90°, which is one of the coolest places in Maryland.

January has the coldest nighttime temperatures for the 20882 zip code with an average of 25.4°. This is warmer than most places in Maryland.

In the 20882 zip code, there are 85.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Maryland.

In the 20882 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 20882 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 20882 zip code with 4.5 inches of rain, and the driest month is February with 3.0 inches. The wettest season is Summer with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 43.5 inches in the 20882 zip code means that it is about average compared to other places in Maryland.

May is the rainiest month in the 20882 zip code with 11.4 days of rain, and August is the driest month with only 8.5 rainy days. There are 116.6 rainy days annually in the 20882 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 24.9 inches in the 20882 zip code means that it is snowier than most places in Maryland. January is the snowiest month in the 20882 zip code with 9.2 inches of snow, and 6 months of the year have significant snowfall.

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