Zip 21217 (Baltimore, MD) Climate

The climate in 21217 Baltimore, MD is a humid subtropical climate. Summers are hot and humid, with temperatures reaching up to the mid-90s while winters are mild and wet with temperatures typically ranging from the mid-30s to low 50s. Precipitation levels are generally consistent throughout the year with sporadic but heavy rainfalls occurring most often in late spring and early summer. Winters can be especially cold, snowfall being more frequent than other areas of Maryland. Spring and fall months tend to have moderate temperatures, making them ideal for outdoor activities.

Baltimore (zip 21217), Maryland gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Baltimore (zip 21217) averages 20 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 Baltimore (zip 21217). The US average is 205 sunny days.

Baltimore (zip 21217) 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 89 degrees
Winter Low: the January low is 28
Rain: averages 42 inches of rain a year
Snow: averages 20 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 21217 zip code is 7.3 (10=best), which means it is more comfortable than most places in Maryland.

7.3 Summer - 5.9 Winter

September, May and October are the most pleasant months in the 21217 zip code, while January and February are the least comfortable months.

Climate	Baltimore, Maryland	United States
	41.7 in.	38.1 in.
	20.4 in.	27.8 in.
	112.7 days	106.2 days
	213 days	205 days
	88.5°	85.8°
	28.3°	21.7°
	7.3	7
	4.1	4.3
	184 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 21217 zip code with an average high temperature of 88.5°, which ranks it as warmer than most places in Maryland. In the 21217 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 21217 zip code are September, May and June.

In the 21217 zip code, there are 36.5 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 the 21217 zip code with an average of 28.3°. This is one of the warmest places in Maryland.

In the 21217 zip code, there are 66.7 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Maryland.

In the 21217 zip code, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Maryland.

The humidity is usually acceptable in the 21217 zip code 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 the 21217 zip code.

September is the wettest month in the 21217 zip code with 4.0 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Summer with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 41.7 inches in the 21217 zip code means that it is drier than most places in Maryland.

May is the rainiest month in the 21217 zip code with 11.0 days of rain, and October is the driest month with only 8.1 rainy days. There are 112.7 rainy days annually in the 21217 zip code, 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 20.4 inches in the 21217 zip code means that it is snowier than most places in Maryland. January is the snowiest month in the 21217 zip code with 7.2 inches of snow, and 5 months of the year have significant snowfall.

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