2025 Compare Climate & Weather:
Riverside, CA vs College Place, WA

Highlights

On average, there are 189 sunny days per year in College Place. Riverside averages 277 sunny days per year. The US average is 205 sunny days.

College Place, Washington gets 17.1 inches of rain, on average, per year. Riverside, California gets 11.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

College Place averages 9.1 inches of snow per year. Riverside averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

College Place, Washington
Summer High: the July high is around 89.3 degrees
Winter Low: the January low is 29.1
Rain: averages 17.1 inches of rain a year
Snow: averages 9.1 inches of snow a year

Riverside, California
Summer High: the July high is around 94.2 degrees
Winter Low: the January low is 42.4
Rain: averages 11.3 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Riverside is 8.7 (10=best), which means it is more comfortable than most places in California.

Today's Weather - Riverside, CA

78°F

Today's Weather - College Place, WA

62°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Riverside / College Place

August is the hottest month for Riverside with an average high temperature of 95.4°, which ranks it as warmer than most places in California. In Riverside, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Riverside are April, May and November.

July is the hottest month for College Place with an average high temperature of 89.3°, which ranks it as one of the hottest places in Washington. In College Place, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for College Place are September, June and May.

December has the coldest nighttime temperatures for Riverside with an average of 41.3°. This is warmer than most places in California.

December has the coldest nighttime temperatures for College Place with an average of 27.5°. This is colder than most places in Washington.

In Riverside, there are 95.9 days annually when the high temperature is over 90°, which is hotter than most places in California.

In College Place, there are 37.4 days annually when the high temperature is over 90°, which is one of the hottest places in Washington.

In Riverside, there are 4.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In College Place, there are 84.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

In Riverside, 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 College Place, there are 1.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

February is the wettest month in Riverside with 2.7 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 59% of yearly precipitation and 3% occurs in Autumn, which is the driest season. The annual rainfall of 11.3 inches in Riverside means that it is drier than most places in California.


November is the wettest month in College Place with 2.2 inches of rain, and the driest month is July with 0.5 inches. The wettest season is Spring with 32% of yearly precipitation and 13% occurs in Autumn, which is the driest season. The annual rainfall of 17.1 inches in College Place means that it is drier than most places in Washington.

February is the rainiest month in Riverside with 6.2 days of rain, and August is the driest month with only 0.4 rainy days. There are 34.0 rainy days annually in Riverside, which is less rainy 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 5% chance of a rainy day.

November is the rainiest month in College Place with 13.3 days of rain, and August is the driest month with only 2.7 rainy days. There are 104.5 rainy days annually in College Place, which is less rainy than most places in Washington. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 12% chance of a rainy day.

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

An annual snowfall of 9.1 inches in College Place means that it is snowier than most places in Washington.

Any measurable snowfall is a rare occurance in Riverside.

December is the snowiest month in College Place with 3.7 inches of snow, and 5 months of the year have significant snowfall.