2025 Compare Climate & Weather:
Bellingham, WA vs Sudden Valley, WA

Highlights

On average, there are 159 sunny days per year in Sudden Valley. Bellingham averages 157 sunny days per year. The US average is 205 sunny days.

Sudden Valley, Washington gets 53.4 inches of rain, on average, per year. Bellingham, Washington gets 39.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Sudden Valley averages 17.3 inches of snow per year. Bellingham averages 9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Sudden Valley, Washington
Summer High: the July high is around 72.8 degrees
Winter Low: the January low is 32.9
Rain: averages 53.4 inches of rain a year
Snow: averages 17.3 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Sudden Valley is 6.9 (10=best), which means it is less comfortable than most places in Washington.

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

Today's Weather - Bellingham, WA

52°F

Today's Weather - Sudden Valley, WA

48°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Bellingham / Sudden Valley

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.

August is the hottest month for Sudden Valley with an average high temperature of 73.3°, which ranks it as cooler than most places in Washington. In Sudden Valley, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sudden Valley are August, July and September.

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

December has the coldest nighttime temperatures for Sudden Valley with an average of 32.3°. This is colder than most places in Washington.

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 Sudden Valley, there are 0.8 days annually when the high temperature is over 90°, which is cooler than most places in Washington.

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 Sudden Valley, there are 60.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Washington.

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.

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

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.


November is the wettest month in Sudden Valley with 9.0 inches of rain, and the driest month is July with 1.5 inches. The wettest season is Spring with 36% of yearly precipitation and 10% occurs in Autumn, which is the driest season. The annual rainfall of 53.4 inches in Sudden Valley means that it is wetter than most places in Washington.

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.

November is the rainiest month in Sudden Valley with 20.6 days of rain, and August is the driest month with only 6.3 rainy days. There are 169.0 rainy days annually in Sudden Valley, which is rainier than most 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.

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

An annual snowfall of 17.3 inches in Sudden Valley means that it is snowier than most places in Washington.

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

December is the snowiest month in Sudden Valley with 5.7 inches of snow, and 5 months of the year have significant snowfall.