2025 Compare Climate & Weather:
Grand Junction, CO vs Corvallis, OR

Highlights

On average, there are 159 sunny days per year in Corvallis. Grand Junction averages 245 sunny days per year. The US average is 205 sunny days.

Corvallis, Oregon gets 51.4 inches of rain, on average, per year. Grand Junction, Colorado gets 9.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Corvallis averages 5.4 inches of snow per year. Grand Junction averages 15.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Corvallis, Oregon
Summer High: the July high is around 81.6 degrees
Winter Low: the January low is 34.1
Rain: averages 51.4 inches of rain a year
Snow: averages 5.4 inches of snow a year

Grand Junction, Colorado
Summer High: the July high is around 92.8 degrees
Winter Low: the January low is 17.8
Rain: averages 9.9 inches of rain a year
Snow: averages 15.8 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Corvallis is 7.3 (10=best), which means it is more comfortable than most places in Oregon.

The annual BestPlaces Comfort Index for Grand Junction is 7.4 (10=best), which means it is one of the most pleasant places in Colorado.

Today's Weather - Grand Junction, CO

51°F

Today's Weather - Corvallis, OR

49°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Grand Junction / Corvallis

July is the hottest month for Grand Junction with an average high temperature of 92.8°, which ranks it as one of the hottest places in Colorado. In Grand Junction, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grand Junction are May, September and June.

August is the hottest month for Corvallis with an average high temperature of 82.4°, which ranks it as about average compared to other places in Oregon. In Corvallis, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Corvallis are September, July and August.

January has the coldest nighttime temperatures for Grand Junction with an average of 17.8°. This is warmer than most places in Colorado.

December has the coldest nighttime temperatures for Corvallis with an average of 33.8°. This is about average compared to other places in Oregon.

In Grand Junction, there are 54.9 days annually when the high temperature is over 90°, which is one of the hottest places in Colorado.

In Corvallis, there are 12.4 days annually when the high temperature is over 90°, which is cooler than most places in Oregon.

In Grand Junction, there are 130.1 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Colorado.

In Corvallis, there are 45.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

In Grand Junction, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Colorado.

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

September is the wettest month in Grand Junction with 1.2 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Winter with 32% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 9.9 inches in Grand Junction means that it is one of the driest places in Colorado.


December is the wettest month in Corvallis with 9.3 inches of rain, and the driest month is July with 0.5 inches. The wettest season is Spring with 45% of yearly precipitation and 5% occurs in Autumn, which is the driest season. The annual rainfall of 51.4 inches in Corvallis means that it is wetter than most places in Oregon.

April is the rainiest month in Grand Junction with 6.9 days of rain, and June is the driest month with only 3.8 rainy days. There are 68.9 rainy days annually in Grand Junction, which is less rainy than most places in Colorado. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 22% chance of a rainy day.

January is the rainiest month in Corvallis with 20.5 days of rain, and July is the driest month with only 3.3 rainy days. There are 161.8 rainy days annually in Corvallis, 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 15.8 inches in Grand Junction means that it is one of the least snowy places in Colorado.

An annual snowfall of 5.4 inches in Corvallis means that it is snowier than most places in Oregon.

December is the snowiest month in Grand Junction with 4.3 inches of snow, and 6 months of the year have significant snowfall.

February is the snowiest month in Corvallis with 2.5 inches of snow, and 3 months of the year have significant snowfall.