Asotin County, WA Climate

The climate in Asotin, WA County is characterized by mild winters and hot summers. Average high temperatures during the summer months of June, July and August reach up to around 81°F while winter lows dip down to around 29°F. Annual rainfall averages around 28 inches and snowfall averages just over 6 inches annually. Humidity levels in the area tend to be higher during the summer months as well. This creates a warm and relatively dry climate throughout much of the year, with occasional rain showers throughout the spring and fall months.

Asotin County, Washington gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Asotin County averages 19 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 169 sunny days per year in Asotin County. The US average is 205 sunny days.

Asotin County gets some kind of precipitation, on average, 102 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 25
Rain: averages 17 inches of rain a year
Snow: averages 19 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Asotin County is 7.1 (10=best), which means it is about average compared to other places in Washington.

8.9 Summer - 5 Winter

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

Climate	Asotin, Washington	United States
	Unlock	38.1 in.
	18.9 in.	Unlock
	Unlock	106.2 days
	169 days	Unlock
	85.8°	85.8°
	Unlock	21.7°
	7.1	Unlock
	Unlock	4.3
	2769 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 Asotin County with an average high temperature of 85.9°, which ranks it as warmer than most places in Washington. In Asotin County, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Asotin County are September, June and July.

In Asotin County, there are 28.2 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

December has the coldest nighttime temperatures for Asotin County with an average of 23.8°. This is colder than most places in Washington.

In Asotin County, there are 124.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

In Asotin County, there are 2.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

Humidity is low in Asotin 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.

May is the wettest month in Asotin County with 2.0 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Summer with 32% of yearly precipitation and 19% occurs in Autumn, which is the driest season. The annual rainfall of 16.7 inches in Asotin County means that it is drier than most places in Washington.

November is the rainiest month in Asotin County with 11.6 days of rain, and August is the driest month with only 4.1 rainy days. There are 101.6 rainy days annually in Asotin County, which is less rainy than most places in Washington. The rainiest season is Summer when it rains 31% of the time and the driest is Autumn with only a 17% chance of a rainy day.

An annual snowfall of 18.9 inches in Asotin County means that it is snowier than most places in Washington. January is the snowiest month in Asotin County with 5.4 inches of snow, and 5 months of the year have significant snowfall.

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