2025 Compare Climate & Weather:
St. Helens, OR vs Eugene, OR

Highlights

On average, there are 155 sunny days per year in Eugene. St. Helens averages 141 sunny days per year. The US average is 205 sunny days.

Eugene, Oregon gets 47 inches of rain, on average, per year. St. Helens, Oregon gets 52.1 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. St. Helens averages 2.1 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

St. Helens, Oregon
Summer High: the July high is around 78.8 degrees
Winter Low: the January low is 32.9
Rain: averages 52.1 inches of rain a year
Snow: averages 2.1 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 St. Helens is 7.1 (10=best), which means it is less comfortable than most places in Oregon.

Today's Weather - St. Helens, OR

63°F

Today's Weather - Eugene, OR

64°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: St. Helens / Eugene

August is the hottest month for St. Helens with an average high temperature of 80.1°, which ranks it as cooler than most places in Oregon. In St. Helens, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. Helens are July, August and September.

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.

December has the coldest nighttime temperatures for St. Helens with an average of 32.2°. This is about average compared to other places in Oregon.

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

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

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

In St. Helens, there are 58.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Oregon.

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 St. Helens, 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 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.

December is the wettest month in St. Helens with 8.1 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Spring with 41% of yearly precipitation and 8% occurs in Autumn, which is the driest season. The annual rainfall of 52.1 inches in St. Helens means that it is wetter than most places in Oregon.


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.

November is the rainiest month in St. Helens with 20.9 days of rain, and August is the driest month with only 4.6 rainy days. There are 173.4 rainy days annually in St. Helens, which is one of the rainiest places in Oregon. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 12% 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 2.1 inches in St. Helens means that it is less snowy than most places in Oregon.

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

February is the snowiest month in St. Helens with 0.9 inches of snow, and 2 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.