Adelphi, MD Climate

Adelphi, MD is located in the mid-Atlantic region of the United States and experiences a humid subtropical climate with hot, humid summers and cool winters. The highest recorded temperature was 103°F in August of 1988 and the lowest was 0°F in January of 1985. Precipitation is evenly distributed throughout the year with an average rainfall of around 39 inches per year. Winters tend to bring wet snowfall and can sometimes reach up to 12 inches or more during heavy snow seasons. Summers are usually hot and humid, which can often become oppressive when combined with humidity levels that can reach over 80%.

Adelphi, Maryland gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Adelphi averages 13 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 Adelphi. The US average is 205 sunny days.

Adelphi 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 25
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 Adelphi 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 Adelphi, while January and February are the least comfortable months.

Climate	Adelphi, Maryland	United States
	Unlock	38.1 in.
	13.1 in.	Unlock
	Unlock	106.2 days
	200 days	Unlock
	88.6°	85.8°
	Unlock	21.7°
	7.3	Unlock
	Unlock	4.3
	174 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 Adelphi with an average high temperature of 88.6°, which ranks it as warmer than most places in Maryland. In Adelphi, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Adelphi are September, May and June.

In Adelphi, there are 35.9 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 Adelphi with an average of 25.4°. This is warmer than most places in Maryland.

In Adelphi, there are 87.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Maryland.

In Adelphi, 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 Adelphi 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 Adelphi.

July is the wettest month in Adelphi 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 Adelphi means that it is about average compared to other places in Maryland.

May is the rainiest month in Adelphi with 11.1 days of rain, and October is the driest month with only 8.1 rainy days. There are 112.0 rainy days annually in Adelphi, 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 Adelphi means that it is less snowy than most places in Maryland. January is the snowiest month in Adelphi with 5.7 inches of snow, and 5 months of the year have significant snowfall.

Reviews for Adelphi

See all ()

Write a Review

Start Your Review of Adelphi

Jobs

Compare Adelphi,
cost of living

Compare food, housing, utilities, and more in Adelphi, Maryland to any other city in the US.

Compare now

The premier source for comprehensive city data for over 30 years.

��