2025 Compare Climate & Weather:
Roseburg, OR vs Boulder, CO

Highlights

On average, there are 245 sunny days per year in Boulder. Roseburg averages 182 sunny days per year. The US average is 205 sunny days.

Boulder, Colorado gets 18.1 inches of rain, on average, per year. Roseburg, Oregon gets 35.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Boulder averages 71.1 inches of snow per year. Roseburg averages 0.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Boulder, Colorado
Summer High: the July high is around 88.1 degrees
Winter Low: the January low is 18.9
Rain: averages 18.1 inches of rain a year
Snow: averages 71.1 inches of snow a year

Roseburg, Oregon
Summer High: the July high is around 84.7 degrees
Winter Low: the January low is 36
Rain: averages 35.4 inches of rain a year
Snow: averages 0.6 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Boulder is 7.1 (10=best), which means it is about average compared to other places in Colorado.

The annual BestPlaces Comfort Index for Roseburg is 7.6 (10=best), which means it is one of the most pleasant places in Oregon.

Today's Weather - Roseburg, OR

73°F

Today's Weather - Boulder, CO

60°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Roseburg / Boulder

August is the hottest month for Roseburg with an average high temperature of 85.1°, which ranks it as warmer than most places in Oregon. In Roseburg, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Roseburg are September, June and July.

July is the hottest month for Boulder with an average high temperature of 88.1°, which ranks it as about average compared to other places in Colorado. In Boulder, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Boulder are September, June and May.

January has the coldest nighttime temperatures for Roseburg with an average of 36.0°. This is warmer than most places in Oregon.

December has the coldest nighttime temperatures for Boulder with an average of 18.3°. This is one of the warmest places in Colorado.

In Roseburg, there are 23.8 days annually when the high temperature is over 90°, which is hotter than most places in Oregon.

In Boulder, there are 32.4 days annually when the high temperature is over 90°, which is about average compared to other places in Colorado.

In Roseburg, there are 26.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

In Boulder, there are 151.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Colorado.

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

In Boulder, there are 5.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Colorado.

December is the wettest month in Roseburg with 6.5 inches of rain, and the driest month is July with 0.4 inches. The wettest season is Spring with 44% of yearly precipitation and 5% occurs in Autumn, which is the driest season. The annual rainfall of 35.4 inches in Roseburg means that it is about average compared to other places in Oregon.


May is the wettest month in Boulder with 2.5 inches of rain, and the driest month is January with 0.6 inches. The wettest season is Summer with 37% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 18.1 inches in Boulder means that it is wetter than most places in Colorado.

December is the rainiest month in Roseburg with 19.8 days of rain, and July is the driest month with only 2.2 rainy days. There are 145.5 rainy days annually in Roseburg, which is about average compared to other places in Oregon. The rainiest season is Spring when it rains 38% of the time and the driest is Autumn with only a 8% chance of a rainy day.

May is the rainiest month in Boulder with 10.5 days of rain, and January is the driest month with only 4.7 rainy days. There are 88.0 rainy days annually in Boulder, which is rainier than most places in Colorado. The rainiest season is Autumn when it rains 31% of the time and the driest is Spring with only a 17% chance of a rainy day.

An annual snowfall of 0.6 inches in Roseburg means that it is one of the least snowy places in Oregon.

An annual snowfall of 71.1 inches in Boulder means that it is snowier than most places in Colorado.

December is the snowiest month in Roseburg with 0.3 inches of snow, and no months of the year have significant snowfall.

March is the snowiest month in Boulder with 14.3 inches of snow, and 9 months of the year have significant snowfall.