2025 Compare Climate & Weather:
Sitka, AK vs Coos Bay, OR

Highlights

On average, there are 186 sunny days per year in Coos Bay. Sitka averages 84 sunny days per year. The US average is 205 sunny days.

Coos Bay, Oregon gets 64.4 inches of rain, on average, per year. Sitka, Alaska gets 119.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Coos Bay averages 0.2 inches of snow per year. Sitka averages 44.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Coos Bay, Oregon
Summer High: the July high is around 66.9 degrees
Winter Low: the January low is 37.6
Rain: averages 64.4 inches of rain a year
Snow: averages 0.2 inches of snow a year

Sitka, Alaska
Summer High: the July high is around 61 degrees
Winter Low: the January low is 31.9
Rain: averages 119.8 inches of rain a year
Snow: averages 44.2 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Coos Bay is 7.3 (10=best), which means it is more comfortable than most places in Oregon.

The annual BestPlaces Comfort Index for Sitka is 5.4 (10=best), which means it is more comfortable than most places in Alaska.

Today's Weather - Sitka, AK

49°F

Today's Weather - Coos Bay, OR

57°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Sitka / Coos Bay

August is the hottest month for Sitka with an average high temperature of 62.1°, which ranks it as cooler than most places in Alaska. In Sitka, there are 0 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sitka are August, July and June.

August is the hottest month for Coos Bay with an average high temperature of 68.2°, which ranks it as one of the coolest places in Oregon. In Coos Bay, there are 0 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Coos Bay are August, September and July.

February has the coldest nighttime temperatures for Sitka with an average of 31.7°. This is one of the warmest places in Alaska.

December has the coldest nighttime temperatures for Coos Bay with an average of 37.3°. This is one of the warmest places in Oregon.

In Sitka, there are 0.0 days annually when the high temperature is over 90°, which is about average compared to other places in Alaska.

In Coos Bay, there are 0.3 days annually when the high temperature is over 90°, which is one of the coolest places in Oregon.

In Sitka, there are 68.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Alaska.

In Coos Bay, there are 25.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

In Sitka, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Alaska.

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

October is the wettest month in Sitka with 17.2 inches of rain, and the driest month is June with 3.8 inches. The wettest season is Winter with 38% of yearly precipitation and 13% occurs in Autumn, which is the driest season. The annual rainfall of 119.8 inches in Sitka means that it is one of the wettest places in Alaska.


December is the wettest month in Coos Bay with 11.4 inches of rain, and the driest month is July with 0.5 inches. The wettest season is Spring with 45% of yearly precipitation and 5% occurs in Autumn, which is the driest season. The annual rainfall of 64.4 inches in Coos Bay means that it is wetter than most places in Oregon.

October is the rainiest month in Sitka with 24.6 days of rain, and June is the driest month with only 15.2 rainy days. There are 235.8 rainy days annually in Sitka, which is one of the rainiest places in Alaska. The rainiest season is Winter when it rains 29% of the time and the driest is Autumn with only a 22% chance of a rainy day.

November is the rainiest month in Coos Bay with 19.0 days of rain, and August is the driest month with only 3.7 rainy days. There are 153.3 rainy days annually in Coos Bay, 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 11% chance of a rainy day.

An annual snowfall of 44.2 inches in Sitka means that it is one of the least snowy places in Alaska.

An annual snowfall of 0.2 inches in Coos Bay means that it is one of the least snowy places in Oregon.

January is the snowiest month in Sitka with 12.5 inches of snow, and 6 months of the year have significant snowfall.

February is the snowiest month in Coos Bay with 0.2 inches of snow, and no months of the year have significant snowfall.