Okanogan County, WA Climate

The climate in Okanogan, WA County is characterized by mild, dry summers and cold, snowy winters. Average annual precipitation in the county ranges from 8 to 12 inches, with much of this occurring between October and May. Average temperatures range from a low of 19-29°F in winter months to highs of 70-90°F in summer. The area enjoys plenty of sunshine throughout the year and generally experiences fewer cloudy days than other areas of Washington state.

Okanogan County, Washington gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Okanogan County averages 58 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 189 sunny days per year in Okanogan County. The US average is 205 sunny days.

Okanogan County gets some kind of precipitation, on average, 88 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 86 degrees
Winter Low: the January low is 20
Rain: averages 16 inches of rain a year
Snow: averages 58 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Okanogan County is 6.8 (10=best), which means it is less comfortable than most places in Washington.

8.9 Summer - 3.9 Winter

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

Climate	Okanogan, Washington	United States
	Unlock	38.1 in.
	58.3 in.	Unlock
	Unlock	106.2 days
	189 days	Unlock
	85.9°	85.8°
	Unlock	21.7°
	6.8	Unlock
	Unlock	4.3
	3749 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.

July is the hottest month for Okanogan County with an average high temperature of 85.9°, which ranks it as warmer than most places in Washington. In Okanogan County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Okanogan County are June, September and May.

In Okanogan County, there are 26.4 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

December has the coldest nighttime temperatures for Okanogan County with an average of 18.7°. This is one of the coldest places in Washington.

In Okanogan County, there are 148.0 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Washington.

In Okanogan County, there are 5.1 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Washington.

Humidity is low in Okanogan County, and some people might find the dryness to be uncomfortable. Days with noticeable humidity are rare throughout the year. A very dry climate can lead to cracked, itchy skin and dry eyes.

December is the wettest month in Okanogan County with 2.4 inches of rain, and the driest month is August with 0.5 inches. The wettest season is Spring with 39% of yearly precipitation and 15% occurs in Autumn, which is the driest season. The annual rainfall of 15.5 inches in Okanogan County means that it is drier than most places in Washington.

December is the rainiest month in Okanogan County with 11.7 days of rain, and August is the driest month with only 3.5 rainy days. There are 87.7 rainy days annually in Okanogan County, which is less rainy than most places in Washington. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 17% chance of a rainy day.

An annual snowfall of 58.3 inches in Okanogan County means that it is one of the snowiest places in Washington. December is the snowiest month in Okanogan County with 21.6 inches of snow, and 6 months of the year have significant snowfall.

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