Zip 21401 (Annapolis, MD) Climate

The climate in 21401 Annapolis, MD is generally mild with four distinct seasons. Summers are typically hot and humid with average temperatures in the mid-80s Fahrenheit while winters are generally cold and wet with temperatures reaching lows in the mid-20s Fahrenheit. Spring and fall are mild with temperatures in the mid to high 50s Fahrenheit. Precipitation averages about 46 inches per year, mostly falling during the winter months. Annapolis experiences an average of 205 sunny days each year.

Annapolis (zip 21401), Maryland gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Annapolis (zip 21401) averages 12 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 213 sunny days per year in Annapolis (zip 21401). The US average is 205 sunny days.

Annapolis (zip 21401) gets some kind of precipitation, on average, 110 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 28
Rain: averages 45 inches of rain a year
Snow: averages 12 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 21401 zip code is 7.4 (10=best), which means it is one of the most pleasant places in Maryland.

7.7 Summer - 6.1 Winter

September, May and October are the most pleasant months in the 21401 zip code, while January and February are the least comfortable months.

Climate	Annapolis, Maryland	United States
	45.3 in.	38.1 in.
	12.0 in.	27.8 in.
	110.1 days	106.2 days
	213 days	205 days
	87.1°	85.8°
	28.4°	21.7°
	7.4	7
	4	4.3
	24 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 the 21401 zip code with an average high temperature of 87.1°, which ranks it as about average compared to other places in Maryland. In the 21401 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 21401 zip code are September, May and June.

In the 21401 zip code, there are 19.9 days annually when the high temperature is over 90°, which is cooler than most places in Maryland.

January has the coldest nighttime temperatures for the 21401 zip code with an average of 28.4°. This is one of the warmest places in Maryland.

In the 21401 zip code, there are 62.7 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Maryland.

In the 21401 zip code, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Maryland.

The humidity can be uncomfortably heavy or close in the 21401 zip code 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 the 21401 zip code.

May is the wettest month in the 21401 zip code with 4.4 inches of rain, and the driest month is February with 2.9 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 45.3 inches in the 21401 zip code means that it is wetter than most places in Maryland.

May is the rainiest month in the 21401 zip code with 10.6 days of rain, and October is the driest month with only 7.8 rainy days. There are 110.1 rainy days annually in the 21401 zip code, 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 12.0 inches in the 21401 zip code means that it is less snowy than most places in Maryland. January is the snowiest month in the 21401 zip code with 6.5 inches of snow, and 4 months of the year have significant snowfall.

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