Zip 21561 (Swanton, MD) Climate

21561 Swanton, MD has a humid subtropical climate, which is characterized by warm and humid summers and cool winters. Average temperatures in the summer months range from the low 70s to mid 80s Fahrenheit, while temperatures in the winter months usually stay in the high 30s to low 40s Fahrenheit. The area typically experiences around 45 inches of precipitation annually, with most of it occurring during the summer months. With its proximity to the Chesapeake Bay, Swanton is often subject to coastal storms – such as nor'easters – throughout the winter season.

Swanton (zip 21561), Maryland gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Swanton (zip 21561) averages 127 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 151 sunny days per year in Swanton (zip 21561). The US average is 205 sunny days.

Swanton (zip 21561) gets some kind of precipitation, on average, 175 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 78 degrees
Winter Low: the January low is 18
Rain: averages 51 inches of rain a year
Snow: averages 127 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 21561 zip code is 6.3 (10=best), which means it is one of the least comfortable places in Maryland.

9.1 Summer - 3.6 Winter

August, July and June are the most pleasant months in the 21561 zip code, while January and February are the least comfortable months.

Climate	Swanton, Maryland	United States
	Unlock	38.1 in.
	126.5 in.	Unlock
	Unlock	106.2 days
	151 days	Unlock
	78.1°	85.8°
	Unlock	21.7°
	6.3	Unlock
	Unlock	4.3
	2548 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 21561 zip code with an average high temperature of 78.1°, which ranks it as one of the coolest places in Maryland. In the 21561 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 21561 zip code are July, August and June.

In the 21561 zip code, there are 0.7 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 21561 zip code with an average of 17.6°. This is one of the coldest places in Maryland.

In the 21561 zip code, there are 135.5 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Maryland.

In the 21561 zip code, there are 5.1 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Maryland.

Humidity in the 21561 zip code is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and June.

July is the wettest month in the 21561 zip code with 5.7 inches of rain, and the driest month is October with 3.2 inches. The wettest season is Autumn with 28% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 51.0 inches in the 21561 zip code means that it is one of the wettest places in Maryland.

January is the rainiest month in the 21561 zip code with 18.3 days of rain, and September is the driest month with only 11.5 rainy days. There are 174.8 rainy days annually in the 21561 zip code, which is one of the rainiest places in Maryland. The rainiest season is Spring when it rains 29% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 126.5 inches in the 21561 zip code means that it is one of the snowiest places in Maryland. January is the snowiest month in the 21561 zip code with 34.0 inches of snow, and 7 months of the year have significant snowfall.

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