2025 Compare Climate & Weather:
Portland, OR vs Anderson, SC

Highlights

On average, there are 221 sunny days per year in Anderson. Portland averages 144 sunny days per year. The US average is 205 sunny days.

Anderson, South Carolina gets 47.7 inches of rain, on average, per year. Portland, Oregon gets 42.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Anderson averages 1.7 inches of snow per year. Portland averages 2.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Anderson, South Carolina
Summer High: the July high is around 89.6 degrees
Winter Low: the January low is 30.5
Rain: averages 47.7 inches of rain a year
Snow: averages 1.7 inches of snow a year

Portland, Oregon
Summer High: the July high is around 80.5 degrees
Winter Low: the January low is 36.4
Rain: averages 42.8 inches of rain a year
Snow: averages 2.6 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Portland is 7.5 (10=best), which means it is more comfortable than most places in Oregon.

Today's Weather - Portland, OR

47°F

Today's Weather - Anderson, SC

65°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Portland / Anderson

August is the hottest month for Portland with an average high temperature of 81.1°, which ranks it as cooler than most places in Oregon. In Portland, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Portland are September, July and August.

July is the hottest month for Anderson with an average high temperature of 89.6°, which ranks it as one of the coolest places in South Carolina. In Anderson, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Anderson are May, September and October.

December has the coldest nighttime temperatures for Portland with an average of 35.6°. This is warmer than most places in Oregon.

January has the coldest nighttime temperatures for Anderson with an average of 30.5°. This is colder than most places in South Carolina.

In Portland, there are 11.6 days annually when the high temperature is over 90°, which is cooler than most places in Oregon.

In Anderson, there are 42.9 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

In Portland, there are 29.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

In Anderson, there are 59.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Carolina.

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

December is the wettest month in Portland with 6.8 inches of rain, and the driest month is July with 0.7 inches. The wettest season is Spring with 41% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 42.8 inches in Portland means that it is about average compared to other places in Oregon.


December is the wettest month in Anderson with 4.5 inches of rain, and the driest month is May with 3.3 inches. The wettest season is Spring with 27% of yearly precipitation and 23% occurs in Summer, which is the driest season. The annual rainfall of 47.7 inches in Anderson means that it is wetter than most places in South Carolina.

November is the rainiest month in Portland with 19.3 days of rain, and August is the driest month with only 3.7 rainy days. There are 155.9 rainy days annually in Portland, which is rainier than most places in Oregon. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 11% chance of a rainy day.

July is the rainiest month in Anderson with 9.5 days of rain, and October is the driest month with only 6.6 rainy days. There are 102.9 rainy days annually in Anderson, which is about average compared to other places in South Carolina. The rainiest season is Spring when it rains 27% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 2.6 inches in Portland means that it is less snowy than most places in Oregon.

An annual snowfall of 1.7 inches in Anderson means that it is snowier than most places in South Carolina.

December is the snowiest month in Portland with 0.9 inches of snow, and 3 months of the year have significant snowfall.

January is the snowiest month in Anderson with 0.8 inches of snow, and 2 months of the year have significant snowfall.