2025 Compare Climate & Weather:
Sumpter, OR vs Richland, OR

Highlights

On average, there are 193 sunny days per year in Richland. Sumpter averages 197 sunny days per year. The US average is 205 sunny days.

Richland, Oregon gets 17.6 inches of rain, on average, per year. Sumpter, Oregon gets 20.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Richland averages 47.7 inches of snow per year. Sumpter averages 81.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Richland, Oregon
Summer High: the July high is around 91.5 degrees
Winter Low: the January low is 20.5
Rain: averages 17.6 inches of rain a year
Snow: averages 47.7 inches of snow a year

Sumpter, Oregon
Summer High: the July high is around 81.3 degrees
Winter Low: the January low is 14.8
Rain: averages 20.1 inches of rain a year
Snow: averages 81.3 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Sumpter is 6.2 (10=best), which means it is one of the least comfortable places in Oregon.

Today's Weather - Sumpter, OR

33°F

Today's Weather - Richland, OR

39°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Sumpter / Richland

August is the hottest month for Sumpter with an average high temperature of 81.3°, which ranks it as cooler than most places in Oregon. In Sumpter, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sumpter are July, August and September.

July is the hottest month for Richland with an average high temperature of 91.5°, which ranks it as one of the hottest places in Oregon. In Richland, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Richland are September, June and May.

January has the coldest nighttime temperatures for Sumpter with an average of 14.8°. This is one of the coldest places in Oregon.

January has the coldest nighttime temperatures for Richland with an average of 20.5°. This is colder than most places in Oregon.

In Sumpter, there are 9.4 days annually when the high temperature is over 90°, which is cooler than most places in Oregon.

In Richland, there are 48.6 days annually when the high temperature is over 90°, which is one of the hottest places in Oregon.

In Sumpter, there are 211.7 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Oregon.

In Richland, there are 147.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Oregon.

In Sumpter, there are 10.5 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Oregon.

In Richland, there are 4.2 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Oregon.

December is the wettest month in Sumpter with 2.9 inches of rain, and the driest month is September with 0.7 inches. The wettest season is Spring with 35% of yearly precipitation and 17% occurs in Autumn, which is the driest season. The annual rainfall of 20.1 inches in Sumpter means that it is drier than most places in Oregon.


January is the wettest month in Richland with 2.8 inches of rain, and the driest month is July with 0.5 inches. The wettest season is Spring with 39% of yearly precipitation and 14% occurs in Autumn, which is the driest season. The annual rainfall of 17.6 inches in Richland means that it is drier than most places in Oregon.

December is the rainiest month in Sumpter with 14.0 days of rain, and August is the driest month with only 4.4 rainy days. There are 115.4 rainy days annually in Sumpter, which is less rainy than most places in Oregon. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 16% chance of a rainy day.

December is the rainiest month in Richland with 12.1 days of rain, and August is the driest month with only 3.1 rainy days. There are 95.4 rainy days annually in Richland, which is less rainy 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 14% chance of a rainy day.

An annual snowfall of 81.3 inches in Sumpter means that it is one of the snowiest places in Oregon.

An annual snowfall of 47.7 inches in Richland means that it is one of the snowiest places in Oregon.

December is the snowiest month in Sumpter with 25.7 inches of snow, and 7 months of the year have significant snowfall.

December is the snowiest month in Richland with 16.6 inches of snow, and 5 months of the year have significant snowfall.