2025 Compare Climate & Weather:
Seattle, WA vs Del Mar, CA

Highlights

On average, there are 264 sunny days per year in Del Mar. Seattle averages 152 sunny days per year. The US average is 205 sunny days.

Del Mar, California gets 11.5 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.

Del Mar averages 0 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

Del Mar, California
Summer High: the July high is around 73.1 degrees
Winter Low: the January low is 47.6
Rain: averages 11.5 inches of rain a year
Snow: averages 0 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 Del Mar is 9.1 (10=best), which means it is one of the most pleasant places in California.

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 - Del Mar, CA

58°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Seattle / Del Mar

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.

August is the hottest month for Del Mar with an average high temperature of 74.7°, which ranks it as one of the coolest places in California. In Del Mar, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Del Mar are August, September and July.

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 Del Mar with an average of 47.2°. This is one of the warmest places in California.

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

In Del Mar, there are 0.8 days annually when the high temperature is over 90°, which is one of the coolest places in California.

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 Del Mar, there are 0.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

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

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.


February is the wettest month in Del Mar with 2.4 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 54% of yearly precipitation and 3% occurs in Autumn, which is the driest season. The annual rainfall of 11.5 inches in Del Mar means that it is drier than most places in California.

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.

February is the rainiest month in Del Mar with 7.2 days of rain, and August is the driest month with only 0.4 rainy days. There are 41.7 rainy days annually in Del Mar, which is less rainy than most places in California. The rainiest season is Spring when it rains 48% of the time and the driest is Autumn with only a 5% 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.

There is rarely any recorded snowfall in Del Mar, ranking it as one of the least snowy places in California.

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

Any measurable snowfall is a rare occurance in Del Mar.