2025 Compare Climate & Weather:
Portland, OR vs Grants Pass, OR

Highlights

On average, there are 196 sunny days per year in Grants Pass. Portland averages 144 sunny days per year. The US average is 205 sunny days.

Grants Pass, Oregon gets 29.8 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.

Grants Pass averages 2.6 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

Grants Pass, Oregon
Summer High: the July high is around 90.7 degrees
Winter Low: the January low is 33.9
Rain: averages 29.8 inches of rain a year
Snow: averages 2.6 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 Grants Pass is 7.5 (10=best), which means it is more comfortable than most places in Oregon.

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

49°F

Today's Weather - Grants Pass, OR

47°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Portland / Grants Pass

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.

August is the hottest month for Grants Pass with an average high temperature of 90.9°, which ranks it as one of the hottest places in Oregon. In Grants Pass, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grants Pass are June, May and September.

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 Grants Pass with an average of 33.9°. This is warmer than most places in Oregon.

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

In Grants Pass, there are 54.7 days annually when the high temperature is over 90°, which is one of the hottest places in Oregon.

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 Grants Pass, there are 53.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Oregon.

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 Grants Pass, 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 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 Grants Pass with 6.0 inches of rain, and the driest month is July with 0.3 inches. The wettest season is Spring with 49% of yearly precipitation and 4% occurs in Autumn, which is the driest season. The annual rainfall of 29.8 inches in Grants Pass means that it is drier than most places in Oregon.

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.

December is the rainiest month in Grants Pass with 15.0 days of rain, and July is the driest month with only 1.7 rainy days. There are 104.4 rainy days annually in Grants Pass, which is less rainy than most places in Oregon. The rainiest season is Spring when it rains 40% of the time and the driest is Autumn with only a 7% 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 2.6 inches in Grants Pass means that it is less snowy than most places in Oregon.

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 Grants Pass with 0.9 inches of snow, and 3 months of the year have significant snowfall.