2025 Compare Climate & Weather:
Carbondale, IL vs Eugene, OR

Highlights

On average, there are 155 sunny days per year in Eugene. Carbondale averages 216 sunny days per year. The US average is 205 sunny days.

Eugene, Oregon gets 47 inches of rain, on average, per year. Carbondale, Illinois gets 45.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Eugene averages 3 inches of snow per year. Carbondale averages 10.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Eugene, Oregon
Summer High: the July high is around 81.5 degrees
Winter Low: the January low is 34.1
Rain: averages 47 inches of rain a year
Snow: averages 3 inches of snow a year

Carbondale, Illinois
Summer High: the July high is around 88.6 degrees
Winter Low: the January low is 23.8
Rain: averages 45.6 inches of rain a year
Snow: averages 10.3 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Eugene is 7.4 (10=best), which means it is more comfortable than most places in Oregon.

The annual BestPlaces Comfort Index for Carbondale is 7.2 (10=best), which means it is one of the most pleasant places in Illinois.

Today's Weather - Carbondale, IL

47°F

Today's Weather - Eugene, OR

45°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Carbondale / Eugene

July is the hottest month for Carbondale with an average high temperature of 88.6°, which ranks it as one of the hottest places in Illinois. In Carbondale, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Carbondale are May, September and June.

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

January has the coldest nighttime temperatures for Carbondale with an average of 23.8°. This is one of the warmest places in Illinois.

December has the coldest nighttime temperatures for Eugene with an average of 33.9°. This is warmer than most places in Oregon.

In Carbondale, there are 35.1 days annually when the high temperature is over 90°, which is one of the hottest places in Illinois.

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

In Carbondale, there are 94.6 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Illinois.

In Eugene, there are 46.9 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Oregon.

In Carbondale, there are 1.4 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Illinois.

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

May is the wettest month in Carbondale with 5.3 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Summer with 30% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 45.6 inches in Carbondale means that it is one of the wettest places in Illinois.


December is the wettest month in Eugene with 7.8 inches of rain, and the driest month is July with 0.6 inches. The wettest season is Spring with 42% of yearly precipitation and 6% occurs in Autumn, which is the driest season. The annual rainfall of 47.0 inches in Eugene means that it is wetter than most places in Oregon.

May is the rainiest month in Carbondale with 11.3 days of rain, and September is the driest month with only 6.6 rainy days. There are 102.3 rainy days annually in Carbondale, which is less rainy than most places in Illinois. The rainiest season is Summer when it rains 30% of the time and the driest is Winter with only a 22% chance of a rainy day.

December is the rainiest month in Eugene with 18.9 days of rain, and July is the driest month with only 3.2 rainy days. There are 151.2 rainy days annually in Eugene, 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 10.3 inches in Carbondale means that it is one of the least snowy places in Illinois.

An annual snowfall of 3.0 inches in Eugene means that it is about average compared to other places in Oregon.

December is the snowiest month in Carbondale with 3.2 inches of snow, and 4 months of the year have significant snowfall.

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