North Potomac, MD Climate

North Potomac, MD has a humid subtropical climate, characterized by hot and humid summers, and cold winters with occasional snowfall. During the summer months, temperatures average in the mid-80s with high humidity. The winter months are much cooler, typically in the 40s or 50s with occasional snowfall. On average, the area gets around 43 inches of rain each year which generally falls throughout the year. North Potomac is also situated close to the coast which influences its weather patterns.

North Potomac, Maryland gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

North Potomac averages 19 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 201 sunny days per year in North Potomac. The US average is 205 sunny days.

North Potomac gets some kind of precipitation, on average, 114 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 42 inches of rain a year
Snow: averages 19 inches of snow a year

Bestplaces Comfort Index

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

8.4 Summer - 5.7 Winter

September, June and May are the most pleasant months in North Potomac, while January and February are the least comfortable months.

Climate	North Potomac, Maryland	United States
	41.9 in.	38.1 in.
	19.1 in.	27.8 in.
	113.8 days	106.2 days
	201 days	205 days
	84.9°	85.8°
	24.6°	21.7°
	7.3	7
	4.1	4.3
	256 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 North Potomac with an average high temperature of 84.9°, which ranks it as one of the coolest places in Maryland. In North Potomac, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for North Potomac are September, June and May.

In North Potomac, there are 14.5 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 North Potomac with an average of 24.6°. This is about average compared to other places in Maryland.

In North Potomac, there are 93.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Maryland.

In North Potomac, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Maryland.

The humidity is usually acceptable in North Potomac but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most uncomfortably humid months in North Potomac.

May is the wettest month in North Potomac with 4.3 inches of rain, and the driest month is February with 2.7 inches. The wettest season is Summer with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 41.9 inches in North Potomac means that it is drier than most places in Maryland.

May is the rainiest month in North Potomac with 11.8 days of rain, and August is the driest month with only 8.3 rainy days. There are 113.8 rainy days annually in North Potomac, 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 23% chance of a rainy day.

An annual snowfall of 19.1 inches in North Potomac means that it is snowier than most places in Maryland. January is the snowiest month in North Potomac with 8.0 inches of snow, and 5 months of the year have significant snowfall.