Zip 97420 (Coos Bay, OR) Climate

The climate of Coos Bay, OR (97420) is typical for the Pacific Northwest region of the United States. It has a mild, temperate climate with abundant rainfall throughout the year. The average temperature in July is around 64°F and in January it’s around 44°F, with a mean annual temperature of 54°F. Precipitation averages just over 80 inches, mostly falling as rain during winter months and rarely as snow. There are also plenty of sunny days throughout the year, giving residents the opportunity to enjoy outdoor activities in all seasons.

Coos Bay (zip 97420), Oregon gets 64 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Coos Bay (zip 97420) averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 184 sunny days per year in Coos Bay (zip 97420). The US average is 205 sunny days.

Coos Bay (zip 97420) gets some kind of precipitation, on average, 153 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 67 degrees
Winter Low: the January low is 38
Rain: averages 64 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 97420 zip code is 7.3 (10=best), which means it is more comfortable than most places in Oregon.

8.8 Summer - 5.9 Winter

August, July and September are the most pleasant months in the 97420 zip code, while December and January are the least comfortable months.

Climate	Coos Bay, Oregon	United States
	Unlock	38.1 in.
	0.2 in.	Unlock
	Unlock	106.2 days
	184 days	Unlock
	66.9°	85.8°
	Unlock	21.7°
	7.3	Unlock
	Unlock	4.3
	208 ft.	Unlock

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

August is the hottest month for the 97420 zip code with an average high temperature of 68.2°, which ranks it as one of the coolest places in Oregon. In the 97420 zip code, there are 0 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 97420 zip code are August, September and July.

In the 97420 zip code, there are 0.3 days annually when the high temperature is over 90°, which is one of the coolest places in Oregon.

December has the coldest nighttime temperatures for the 97420 zip code with an average of 37.3°. This is one of the warmest places in Oregon.

In the 97420 zip code, there are 25.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

In the 97420 zip code, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Oregon.

Humidity in the 97420 zip code is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and September.

December is the wettest month in the 97420 zip code 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 the 97420 zip code means that it is wetter than most places in Oregon.

November is the rainiest month in the 97420 zip code 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 the 97420 zip code, 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 0.2 inches in the 97420 zip code means that it is one of the least snowy places in Oregon. February is the snowiest month in the 97420 zip code with 0.2 inches of snow, and no months of the year have significant snowfall.

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