2025 Compare Climate & Weather:
Brookings, SD vs Portland, OR

Highlights

On average, there are 144 sunny days per year in Portland. Brookings averages 212 sunny days per year. The US average is 205 sunny days.

Portland, Oregon gets 42.8 inches of rain, on average, per year. Brookings, South Dakota gets 25.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Portland averages 2.6 inches of snow per year. Brookings averages 34.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Brookings, South Dakota
Summer High: the July high is around 81.9 degrees
Winter Low: the January low is 3.8
Rain: averages 25.8 inches of rain a year
Snow: averages 34.6 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Brookings is 6.7 (10=best), which means it is less comfortable than most places in South Dakota.

Today's Weather - Brookings, SD

83°F

Today's Weather - Portland, OR

53°F

Average Monthly High / Low (°F)

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

July is the hottest month for Brookings with an average high temperature of 81.9°, which ranks it as one of the coolest places in South Dakota. In Brookings, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Brookings are June, August and July.

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.

January has the coldest nighttime temperatures for Brookings with an average of 3.8°. This is colder than most places in South Dakota.

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

In Brookings, there are 7.7 days annually when the high temperature is over 90°, which is one of the coolest places in South Dakota.

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

In Brookings, there are 170.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Dakota.

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 Brookings, there are 32.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in South Dakota.

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.

June is the wettest month in Brookings with 4.3 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Autumn with 42% of yearly precipitation and 6% occurs in Spring, which is the driest season. The annual rainfall of 25.8 inches in Brookings means that it is wetter than most places in South Dakota.


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.

June is the rainiest month in Brookings with 10.8 days of rain, and February is the driest month with only 4.4 rainy days. There are 84.7 rainy days annually in Brookings, which is rainier than most places in South Dakota. The rainiest season is Autumn when it rains 33% of the time and the driest is Spring with only a 16% chance of a rainy day.

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.

An annual snowfall of 34.6 inches in Brookings means that it is less snowy than most places in South Dakota.

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

December is the snowiest month in Brookings with 7.0 inches of snow, and 7 months of the year have significant snowfall.

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