2025 Compare Climate & Weather:
Seattle, WA vs Mendocino, CA

Highlights

On average, there are 189 sunny days per year in Mendocino. Seattle averages 152 sunny days per year. The US average is 205 sunny days.

Mendocino, California gets 41 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.

Mendocino 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

Mendocino, California
Summer High: the July high is around 77.8 degrees
Winter Low: the January low is 38.7
Rain: averages 41 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 Mendocino is 7.7 (10=best), which means it is less comfortable than most 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

55°F

Today's Weather - Mendocino, CA

46°F

Average Monthly High / Low (°F)

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

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 Mendocino with an average high temperature of 77.8°, which ranks it as cooler than most places in California. In Mendocino, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mendocino are July, August and September.

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 Mendocino with an average of 38.2°. This is about average compared to other 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 Mendocino, there are 29.6 days annually when the high temperature is over 90°, which is cooler than most 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 Mendocino, there are 18.3 days annually when the nighttime low temperature falls below freezing, which is about average compared to other 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 Mendocino, 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.


December is the wettest month in Mendocino with 7.9 inches of rain, and the driest month is July with 0.1 inches. The wettest season is Spring with 54% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 41.0 inches in Mendocino means that it is wetter 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.

December is the rainiest month in Mendocino with 14.9 days of rain, and July is the driest month with only 1.3 rainy days. There are 96.7 rainy days annually in Mendocino, which is one of the rainiest places in California. The rainiest season is Spring when it rains 44% of the time and the driest is Autumn with only a 6% 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 Mendocino, 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 Mendocino.