2025 Compare Climate & Weather:
Bellingham, WA vs Grass Valley, OR

Highlights

On average, there are 201 sunny days per year in Grass Valley. Bellingham averages 157 sunny days per year. The US average is 205 sunny days.

Grass Valley, Oregon gets 16.4 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.

Grass Valley averages 14.6 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

Grass Valley, Oregon
Summer High: the July high is around 84.1 degrees
Winter Low: the January low is 26.1
Rain: averages 16.4 inches of rain a year
Snow: averages 14.6 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 Grass Valley is 7.3 (10=best), which means it is more comfortable than most places in Oregon.

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

42°F

Today's Weather - Grass Valley, OR

38°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Bellingham / Grass 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 Grass Valley with an average high temperature of 84.2°, which ranks it as warmer than most places in Oregon. In Grass Valley, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grass Valley are September, June and July.

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 Grass Valley with an average of 24.3°. This is colder than most places in Oregon.

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 Grass Valley, there are 21.6 days annually when the high temperature is over 90°, which is hotter than most places in Oregon.

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 Grass Valley, there are 121.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Oregon.

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 Grass Valley, there are 1.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Oregon.

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.


December is the wettest month in Grass Valley with 2.7 inches of rain, and the driest month is July with 0.3 inches. The wettest season is Spring with 41% of yearly precipitation and 9% occurs in Autumn, which is the driest season. The annual rainfall of 16.4 inches in Grass Valley means that it is drier than most places in Oregon.

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 Grass Valley with 11.2 days of rain, and August is the driest month with only 2.4 rainy days. There are 87.1 rainy days annually in Grass Valley, which is less rainy than most places in Oregon. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 12% 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 14.6 inches in Grass Valley means that it is snowier than most places in Oregon.

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 Grass Valley with 4.5 inches of snow, and 5 months of the year have significant snowfall.