2025 Compare Climate & Weather:
Seattle, WA vs Frederick, CO

Highlights

On average, there are 237 sunny days per year in Frederick. Seattle averages 152 sunny days per year. The US average is 205 sunny days.

Frederick, Colorado gets 14.8 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.

Frederick averages 36.4 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

Frederick, Colorado
Summer High: the July high is around 89.2 degrees
Winter Low: the January low is 12.7
Rain: averages 14.8 inches of rain a year
Snow: averages 36.4 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 Frederick is 7.2 (10=best), which means it is more comfortable than most places in Colorado.

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

52°F

Today's Weather - Frederick, CO

37°F

Average Monthly High / Low (°F)

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

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 Frederick with an average high temperature of 89.2°, which ranks it as warmer than most places in Colorado. 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, June and May.

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

December has the coldest nighttime temperatures for Frederick with an average of 12.4°. This is colder than most places in Colorado.

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

In Frederick, there are 38.2 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.

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 Frederick, there are 177.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Colorado.

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 Frederick, there are 11.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Colorado.

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 wettest month in Frederick with 2.3 inches of rain, and the driest month is February with 0.4 inches. The wettest season is Summer with 38% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 14.8 inches in Frederick means that it is drier than most places in Colorado.

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 Frederick with 9.7 days of rain, and January is the driest month with only 4.2 rainy days. There are 77.9 rainy days annually in Frederick, which is about average compared to other places in Colorado. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 17% 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 36.4 inches in Frederick means that it is less snowy than most places in Colorado.

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

March is the snowiest month in Frederick with 7.2 inches of snow, and 7 months of the year have significant snowfall.