Potomac Heights, MD Climate


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United States / Maryland / Washington-Arlington-Alexandria Metro Area / Charles County / Potomac Heights / Zip Codes
Potomac Heights, MD has a humid subtropical climate. In the summer months, temperatures average around 80°F and the humidity is high. Winters are generally mild with temperatures usually staying above freezing and snowfall rarely occurring. Average annual precipitation in Potomac Heights is around 44 inches per year, making it a relatively wet area compared to other parts of Maryland. The area is known for its hot and humid summers, as well as its cold winters.

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

Potomac Heights averages 14 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 198 sunny days per year in Potomac Heights. The US average is 205 sunny days.

Potomac Heights gets some kind of precipitation, on average, 113 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 27
Rain: averages 43 inches of rain a year
Snow: averages 14 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Potomac Heights is 7.5 (10=best), which means it is one of the most pleasant places in Maryland.

7.9 Summer - 6 Winter
September, May and June are the most pleasant months in Potomac Heights, while January and February are the least comfortable months.

  ClimatePotomac Heights, MarylandUnited States
    Unlock38.1 in.
  13.9 in.  Unlock
    Unlock106.2 days
  198 days  Unlock
  86.7°85.8°
    Unlock21.7°
  7.5  Unlock
    Unlock4.3
  75 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 Potomac Heights with an average high temperature of 86.7°, which ranks it as cooler than most places in Maryland. In Potomac Heights, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Potomac Heights are September, May and June.
In Potomac Heights, there are 22.5 days annually when the high temperature is over 90°, which is about average compared to other places in Maryland.
January has the coldest nighttime temperatures for Potomac Heights with an average of 27.4°. This is warmer than most places in Maryland.
In Potomac Heights, there are 75.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Maryland.
In Potomac Heights, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Maryland.
The humidity can be uncomfortably heavy or close in Potomac Heights 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 Potomac Heights.
September is the wettest month in Potomac Heights with 4.2 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 Potomac Heights means that it is about average compared to other places in Maryland.
May is the rainiest month in Potomac Heights with 11.1 days of rain, and August is the driest month with only 7.7 rainy days. There are 113.3 rainy days annually in Potomac Heights, which is about average compared to other 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 13.9 inches in Potomac Heights means that it is less snowy than most places in Maryland. January is the snowiest month in Potomac Heights with 5.4 inches of snow, and 5 months of the year have significant snowfall.
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