2025 Compare Climate & Weather:
Sebastopol, CA vs Bellingham, WA

Highlights

On average, there are 157 sunny days per year in Bellingham. Sebastopol averages 261 sunny days per year. The US average is 205 sunny days.

Bellingham, Washington gets 39.1 inches of rain, on average, per year. Sebastopol, California gets 37.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Bellingham averages 9 inches of snow per year. Sebastopol averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Bellingham, Washington
Summer High: the July high is around 72.4 degrees
Winter Low: the January low is 34
Rain: averages 39.1 inches of rain a year
Snow: averages 9 inches of snow a year

Sebastopol, California
Summer High: the July high is around 82.9 degrees
Winter Low: the January low is 37.3
Rain: averages 37.1 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Bellingham is 7.1 (10=best), which means it is about average compared to other places in Washington.

The annual BestPlaces Comfort Index for Sebastopol is 8.4 (10=best), which means it is more comfortable than most places in California.

Today's Weather - Sebastopol, CA

52°F

Today's Weather - Bellingham, WA

50°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Sebastopol / Bellingham

August is the hottest month for Sebastopol with an average high temperature of 83.4°, which ranks it as cooler than most places in California. In Sebastopol, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sebastopol are October, June and May.

August is the hottest month for Bellingham with an average high temperature of 72.8°, which ranks it as cooler than most places in Washington. In Bellingham, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Bellingham are August, July and June.

December has the coldest nighttime temperatures for Sebastopol with an average of 36.9°. This is colder than most places in California.

December has the coldest nighttime temperatures for Bellingham with an average of 33.2°. This is about average compared to other places in Washington.

In Sebastopol, there are 28.1 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Bellingham, there are 0.4 days annually when the high temperature is over 90°, which is one of the coolest places in Washington.

In Sebastopol, there are 25.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

In Bellingham, there are 49.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Washington.

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

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

December is the wettest month in Sebastopol with 7.2 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 57% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 37.1 inches in Sebastopol means that it is wetter than most places in California.


November is the wettest month in Bellingham with 6.4 inches of rain, and the driest month is July with 1.2 inches. The wettest season is Spring with 34% of yearly precipitation and 12% occurs in Autumn, which is the driest season. The annual rainfall of 39.1 inches in Bellingham means that it is about average compared to other places in Washington.

January is the rainiest month in Sebastopol with 13.0 days of rain, and July is the driest month with only 0.2 rainy days. There are 77.1 rainy days annually in Sebastopol, which is rainier 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 3% chance of a rainy day.

November is the rainiest month in Bellingham with 19.5 days of rain, and July is the driest month with only 5.8 rainy days. There are 157.6 rainy days annually in Bellingham, which is about average compared to other places in Washington. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 14% chance of a rainy day.

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

An annual snowfall of 9.0 inches in Bellingham means that it is snowier than most places in Washington.

Any measurable snowfall is a rare occurance in Sebastopol.

December is the snowiest month in Bellingham with 2.6 inches of snow, and 5 months of the year have significant snowfall.