2025 Compare Climate & Weather:
Frederick, MD vs Dover, DE

Highlights

On average, there are 198 sunny days per year in Dover. Frederick averages 200 sunny days per year. The US average is 205 sunny days.

Dover, Delaware gets 45.2 inches of rain, on average, per year. Frederick, Maryland gets 42.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Dover averages 15.2 inches of snow per year. Frederick averages 23.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Dover, Delaware
Summer High: the July high is around 87.2 degrees
Winter Low: the January low is 25.6
Rain: averages 45.2 inches of rain a year
Snow: averages 15.2 inches of snow a year

Frederick, Maryland
Summer High: the July high is around 87.7 degrees
Winter Low: the January low is 23.3
Rain: averages 42.5 inches of rain a year
Snow: averages 23.1 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - Frederick, MD

66°F

Today's Weather - Dover, DE

64°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Frederick / Dover

July is the hottest month for Frederick with an average high temperature of 87.7°, which ranks it as warmer than most places in Maryland. In Frederick, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Frederick are September, May and June.

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

January has the coldest nighttime temperatures for Frederick with an average of 23.3°. This is colder than most places in Maryland.

January has the coldest nighttime temperatures for Dover with an average of 25.6°. This is warmer than most places in Delaware.

In Frederick, there are 26.3 days annually when the high temperature is over 90°, which is hotter than most places in Maryland.

In Dover, there are 23.3 days annually when the high temperature is over 90°, which is one of the hottest places in Delaware.

In Frederick, there are 100.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Maryland.

In Dover, there are 87.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Delaware.

In Frederick, there are 0.8 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Maryland.

In Dover, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Delaware.

May is the wettest month in Frederick with 4.2 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Summer with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 42.5 inches in Frederick means that it is drier than most places in Maryland.


September is the wettest month in Dover with 4.3 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 45.2 inches in Dover means that it is about average compared to other places in Delaware.

May is the rainiest month in Frederick with 11.3 days of rain, and October is the driest month with only 7.5 rainy days. There are 107.2 rainy days annually in Frederick, which is less rainy than most places in Maryland. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 23% chance of a rainy day.

April is the rainiest month in Dover with 10.8 days of rain, and October is the driest month with only 7.9 rainy days. There are 111.3 rainy days annually in Dover, which is less rainy than most places in Delaware. 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 23.1 inches in Frederick means that it is snowier than most places in Maryland.

An annual snowfall of 15.2 inches in Dover means that it is one of the snowiest places in Delaware.

January is the snowiest month in Frederick with 8.6 inches of snow, and 6 months of the year have significant snowfall.

February is the snowiest month in Dover with 7.0 inches of snow, and 4 months of the year have significant snowfall.