2025 Compare Climate & Weather:
Seattle, WA vs Berlin, CT

Highlights

On average, there are 190 sunny days per year in Berlin. Seattle averages 152 sunny days per year. The US average is 205 sunny days.

Berlin, Connecticut gets 50.3 inches of rain, on average, per year. Seattle, Washington gets 38 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Berlin averages 34.8 inches of snow per year. Seattle averages 4.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Berlin, Connecticut
Summer High: the July high is around 84.1 degrees
Winter Low: the January low is 18.7
Rain: averages 50.3 inches of rain a year
Snow: averages 34.8 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Berlin is 7.1 (10=best), which means it is more comfortable than most places in Connecticut.

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

Today's Weather - Seattle, WA

54°F

Today's Weather - Berlin, CT

58°F

Average Monthly High / Low (°F)

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

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.

July is the hottest month for Berlin with an average high temperature of 84.1°, which ranks it as one of the hottest places in Connecticut. In Berlin, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Berlin are June, September and August.

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

January has the coldest nighttime temperatures for Berlin with an average of 18.7°. This is about average compared to other places in Connecticut.

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

In Berlin, there are 10.6 days annually when the high temperature is over 90°, which is hotter than most places in Connecticut.

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 Berlin, there are 119.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Connecticut.

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.

In Berlin, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Connecticut.

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.


October is the wettest month in Berlin with 5.1 inches of rain, and the driest month is February with 3.4 inches. The wettest season is Winter with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 50.3 inches in Berlin means that it is about average compared to other places in Connecticut.

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.

May is the rainiest month in Berlin with 10.9 days of rain, and February is the driest month with only 8.3 rainy days. There are 111.6 rainy days annually in Berlin, which is less rainy than most places in Connecticut. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 24% chance of a rainy day.

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

An annual snowfall of 34.8 inches in Berlin means that it is about average compared to other places in Connecticut.

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

January is the snowiest month in Berlin with 10.5 inches of snow, and 6 months of the year have significant snowfall.