2025 Compare Climate & Weather:
Mount Airy, MD vs Baltimore, MD

Highlights

On average, there are 213 sunny days per year in Baltimore. Mount Airy averages 194 sunny days per year. The US average is 205 sunny days.

Baltimore, Maryland gets 42.3 inches of rain, on average, per year. Mount Airy, Maryland gets 44.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Baltimore averages 18.5 inches of snow per year. Mount Airy averages 26.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Baltimore, Maryland
Summer High: the July high is around 88.1 degrees
Winter Low: the January low is 27.4
Rain: averages 42.3 inches of rain a year
Snow: averages 18.5 inches of snow a year

Mount Airy, Maryland
Summer High: the July high is around 85.3 degrees
Winter Low: the January low is 23.4
Rain: averages 44.1 inches of rain a year
Snow: averages 26.1 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - Mount Airy, MD

58°F

Today's Weather - Baltimore, MD

63°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Mount Airy / Baltimore

July is the hottest month for Mount Airy with an average high temperature of 85.3°, which ranks it as cooler than most places in Maryland. In Mount Airy, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mount Airy are September, June and May.

July is the hottest month for Baltimore with an average high temperature of 88.1°, which ranks it as warmer than most places in Maryland. In Baltimore, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Baltimore are September, May and June.

January has the coldest nighttime temperatures for Mount Airy with an average of 23.4°. This is colder than most places in Maryland.

January has the coldest nighttime temperatures for Baltimore with an average of 27.4°. This is warmer than most places in Maryland.

In Mount Airy, there are 15.7 days annually when the high temperature is over 90°, which is cooler than most places in Maryland.

In Baltimore, there are 34.2 days annually when the high temperature is over 90°, which is one of the hottest places in Maryland.

In Mount Airy, there are 99.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Maryland.

In Baltimore, there are 73.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Maryland.

In Mount Airy, there are 1.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Maryland.

In Baltimore, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Maryland.

May is the wettest month in Mount Airy with 4.5 inches of rain, and the driest month is February with 3.0 inches. The wettest season is Summer with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 44.1 inches in Mount Airy means that it is wetter than most places in Maryland.


September is the wettest month in Baltimore with 4.0 inches of rain, and the driest month is February with 2.9 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 42.3 inches in Baltimore means that it is drier than most places in Maryland.

May is the rainiest month in Mount Airy with 11.3 days of rain, and September is the driest month with only 8.4 rainy days. There are 115.1 rainy days annually in Mount Airy, which is rainier 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 23% chance of a rainy day.

May is the rainiest month in Baltimore with 11.1 days of rain, and October is the driest month with only 8.2 rainy days. There are 113.6 rainy days annually in Baltimore, 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 26.1 inches in Mount Airy means that it is snowier than most places in Maryland.

An annual snowfall of 18.5 inches in Baltimore means that it is snowier than most places in Maryland.

January is the snowiest month in Mount Airy with 8.9 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Baltimore with 7.0 inches of snow, and 5 months of the year have significant snowfall.