Coos County, OR Climate

Coos, OR County has a mild climate with warm summers and mild winters. Average summer temperatures range from the mid 50s to the high 80s, while winter temperatures range from the low 30s to the mid-50s. Rainfall in Coos County is relatively light year-round, averaging between 40-60 inches per year. The area typically doesn’t experience any extreme weather conditions such as hurricanes or tornadoes. Overall, the climate in Coos, OR County is quite pleasant and enjoyable throughout the year.

Coos County, Oregon gets 65 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Coos County averages 1 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 186 sunny days per year in Coos County. The US average is 205 sunny days.

Coos County gets some kind of precipitation, on average, 148 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 70 degrees
Winter Low: the January low is 38
Rain: averages 65 inches of rain a year
Snow: averages 1 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Coos County is 7.4 (10=best), which means it is more comfortable than most places in Oregon.

8.9 Summer - 6 Winter

August, July and September are the most pleasant months in Coos County, while December and January are the least comfortable months.

Climate	Coos, Oregon	United States
	Unlock	38.1 in.
	0.6 in.	Unlock
	Unlock	106.2 days
	186 days	Unlock
	69.6°	85.8°
	Unlock	21.7°
	7.4	Unlock
	Unlock	4.3
	942 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 Coos County with an average high temperature of 70.6°, which ranks it as cooler than most places in Oregon. In Coos County, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Coos County are August, September and July.

In Coos County, there are 2.6 days annually when the high temperature is over 90°, which is cooler than most places in Oregon.

December has the coldest nighttime temperatures for Coos County with an average of 37.6°. This is one of the warmest places in Oregon.

In Coos County, there are 23.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Oregon.

In Coos County, 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 Coos County 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 Coos County with 11.7 inches of rain, and the driest month is July with 0.4 inches. The wettest season is Spring with 46% of yearly precipitation and 4% occurs in Autumn, which is the driest season. The annual rainfall of 65.3 inches in Coos County means that it is wetter than most places in Oregon.

November is the rainiest month in Coos County with 18.6 days of rain, and August is the driest month with only 3.3 rainy days. There are 148.2 rainy days annually in Coos County, which is about average compared to other places in Oregon. The rainiest season is Spring when it rains 36% of the time and the driest is Autumn with only a 10% chance of a rainy day.

An annual snowfall of 0.6 inches in Coos County means that it is one of the least snowy places in Oregon. February is the snowiest month in Coos County with 0.3 inches of snow, and no months of the year have significant snowfall.

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