2025 Compare Climate & Weather:
King of Prussia, PA vs Baltimore, MD

Highlights

On average, there are 213 sunny days per year in Baltimore. King of Prussia averages 207 sunny days per year. The US average is 205 sunny days.

Baltimore, Maryland gets 42.3 inches of rain, on average, per year. King of Prussia, Pennsylvania gets 46.9 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. King of Prussia averages 16.6 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

King of Prussia, Pennsylvania
Summer High: the July high is around 87.2 degrees
Winter Low: the January low is 21.2
Rain: averages 46.9 inches of rain a year
Snow: averages 16.6 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 King of Prussia is 7.2 (10=best), which means it is one of the most pleasant places in Pennsylvania.

Today's Weather - King of Prussia, PA

77°F

Today's Weather - Baltimore, MD

76°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: King of Prussia / Baltimore

July is the hottest month for King of Prussia with an average high temperature of 87.2°, which ranks it as one of the hottest places in Pennsylvania. In King of Prussia, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for King of Prussia are September, May and June.

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 King of Prussia with an average of 21.2°. This is warmer than most places in Pennsylvania.

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

In King of Prussia, there are 25.1 days annually when the high temperature is over 90°, which is one of the hottest places in Pennsylvania.

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 King of Prussia, there are 115.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

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 King of Prussia, there are 1.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Pennsylvania.

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

September is the wettest month in King of Prussia with 4.6 inches of rain, and the driest month is February with 2.9 inches. The wettest season is Autumn with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 46.9 inches in King of Prussia means that it is wetter than most places in Pennsylvania.


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.

April is the rainiest month in King of Prussia with 11.5 days of rain, and September is the driest month with only 8.0 rainy days. There are 113.5 rainy days annually in King of Prussia, which is one of the least rainy places in Pennsylvania. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 22% 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 16.6 inches in King of Prussia means that it is one of the least snowy places in Pennsylvania.

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

February is the snowiest month in King of Prussia with 7.4 inches of snow, and 4 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.