2025 Compare Climate & Weather:
Spokane, WA vs Hillsboro, OR

Highlights

On average, there are 142 sunny days per year in Hillsboro. Spokane averages 171 sunny days per year. The US average is 205 sunny days.

Hillsboro, Oregon gets 39.2 inches of rain, on average, per year. Spokane, Washington gets 17.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Hillsboro averages 3.2 inches of snow per year. Spokane averages 43.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Hillsboro, Oregon
Summer High: the July high is around 80.8 degrees
Winter Low: the January low is 36.7
Rain: averages 39.2 inches of rain a year
Snow: averages 3.2 inches of snow a year

Spokane, Washington
Summer High: the July high is around 83.5 degrees
Winter Low: the January low is 24
Rain: averages 17.2 inches of rain a year
Snow: averages 43.9 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Hillsboro is 7.5 (10=best), which means it is more comfortable than most places in Oregon.

The annual BestPlaces Comfort Index for Spokane is 6.7 (10=best), which means it is less comfortable than most places in Washington.

Today's Weather - Spokane, WA

73°F

Today's Weather - Hillsboro, OR

80°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Spokane / Hillsboro

July is the hottest month for Spokane with an average high temperature of 83.5°, which ranks it as warmer than most places in Washington. In Spokane, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Spokane are June, September and August.

August is the hottest month for Hillsboro with an average high temperature of 81.8°, which ranks it as cooler than most places in Oregon. In Hillsboro, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hillsboro are September, July and August.

December has the coldest nighttime temperatures for Spokane with an average of 22.1°. This is colder than most places in Washington.

December has the coldest nighttime temperatures for Hillsboro with an average of 35.7°. This is warmer than most places in Oregon.

In Spokane, there are 16.1 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

In Hillsboro, there are 13.1 days annually when the high temperature is over 90°, which is cooler than most places in Oregon.

In Spokane, there are 133.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

In Hillsboro, there are 31.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

In Spokane, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

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

December is the wettest month in Spokane with 2.5 inches of rain, and the driest month is August with 0.6 inches. The wettest season is Spring with 34% of yearly precipitation and 15% occurs in Autumn, which is the driest season. The annual rainfall of 17.2 inches in Spokane means that it is drier than most places in Washington.


December is the wettest month in Hillsboro with 6.3 inches of rain, and the driest month is July with 0.7 inches. The wettest season is Spring with 42% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 39.2 inches in Hillsboro means that it is about average compared to other places in Oregon.

November is the rainiest month in Spokane with 14.0 days of rain, and August is the driest month with only 3.9 rainy days. There are 115.0 rainy days annually in Spokane, which is less rainy than most places in Washington. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 14% chance of a rainy day.

November is the rainiest month in Hillsboro with 20.2 days of rain, and August is the driest month with only 3.4 rainy days. There are 156.2 rainy days annually in Hillsboro, which is rainier than most places in Oregon. The rainiest season is Spring when it rains 35% of the time and the driest is Autumn with only a 10% chance of a rainy day.

An annual snowfall of 43.9 inches in Spokane means that it is one of the snowiest places in Washington.

An annual snowfall of 3.2 inches in Hillsboro means that it is about average compared to other places in Oregon.

December is the snowiest month in Spokane with 14.5 inches of snow, and 6 months of the year have significant snowfall.

December is the snowiest month in Hillsboro with 1.4 inches of snow, and 3 months of the year have significant snowfall.