2025 Compare Climate & Weather:
Middletown, DE vs Seattle, WA

Highlights

On average, there are 152 sunny days per year in Seattle. Middletown averages 204 sunny days per year. The US average is 205 sunny days.

Seattle, Washington gets 38 inches of rain, on average, per year. Middletown, Delaware gets 45.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Seattle averages 4.6 inches of snow per year. Middletown averages 14.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Seattle, Washington
Summer High: the July high is around 75.8 degrees
Winter Low: the January low is 37
Rain: averages 38 inches of rain a year
Snow: averages 4.6 inches of snow a year

Middletown, Delaware
Summer High: the July high is around 86.9 degrees
Winter Low: the January low is 23.9
Rain: averages 45.1 inches of rain a year
Snow: averages 14.5 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Seattle is 7.5 (10=best), which means it is one of the most pleasant places in Washington.

The annual BestPlaces Comfort Index for Middletown is 7.3 (10=best), which means it is about average compared to other places in Delaware.

Today's Weather - Middletown, DE

77°F

Today's Weather - Seattle, WA

72°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Middletown / Seattle

July is the hottest month for Middletown with an average high temperature of 86.9°, which ranks it as warmer than most places in Delaware. In Middletown, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Middletown are September, May and June.

August is the hottest month for Seattle with an average high temperature of 76.3°, which ranks it as cooler than most places in Washington. In Seattle, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Seattle are August, July and September.

January has the coldest nighttime temperatures for Middletown with an average of 23.9°. This is colder than most places in Delaware.

December has the coldest nighttime temperatures for Seattle with an average of 35.9°. This is one of the warmest places in Washington.

In Middletown, there are 20.8 days annually when the high temperature is over 90°, which is about average compared to other places in Delaware.

In Seattle, there are 1.7 days annually when the high temperature is over 90°, which is cooler than most places in Washington.

In Middletown, there are 97.9 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Delaware.

In Seattle, there are 24.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Washington.

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

In Seattle, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Washington.

September is the wettest month in Middletown with 4.6 inches of rain, and the driest month is February with 2.7 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 45.1 inches in Middletown means that it is drier than most places in Delaware.


November is the wettest month in Seattle with 6.2 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Spring with 39% of yearly precipitation and 9% occurs in Autumn, which is the driest season. The annual rainfall of 38.0 inches in Seattle means that it is about average compared to other places in Washington.

May is the rainiest month in Middletown with 11.1 days of rain, and October is the driest month with only 7.9 rainy days. There are 112.9 rainy days annually in Middletown, which is about average compared to other places in Delaware. 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.

November is the rainiest month in Seattle with 18.7 days of rain, and August is the driest month with only 5.3 rainy days. There are 155.3 rainy days annually in Seattle, which is about average compared to other places in Washington. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 13% chance of a rainy day.

An annual snowfall of 14.5 inches in Middletown means that it is snowier than most places in Delaware.

An annual snowfall of 4.6 inches in Seattle means that it is about average compared to other places in Washington.

February is the snowiest month in Middletown with 5.8 inches of snow, and 4 months of the year have significant snowfall.

December is the snowiest month in Seattle with 2.1 inches of snow, and 4 months of the year have significant snowfall.