Whitman County, WA Climate

Whitman County, WA has a mild climate with four distinct seasons. Summers tend to be warm and dry, while winters are usually cold and wet. Spring and fall are moderate temperatures with varying precipitation levels. Rainfall is most frequent during winter months but the total amount of rain received annually is relatively low compared to other places in Washington State. Summer months typically have clear skies with minimal rainfall. This combination of temperature and precipitation makes Whitman County an ideal place for outdoor activities year-round.

Whitman County, Washington gets 19 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Whitman County averages 32 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 172 sunny days per year in Whitman County. The US average is 205 sunny days.

Whitman County gets some kind of precipitation, on average, 109 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 84 degrees
Winter Low: the January low is 25
Rain: averages 19 inches of rain a year
Snow: averages 32 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Whitman County is 6.9 (10=best), which means it is less comfortable than most places in Washington.

9 Summer - 4.5 Winter

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

Climate	Whitman, Washington	United States
	19.0 in.	38.1 in.
	31.7 in.	27.8 in.
	109.1 days	106.2 days
	172 days	205 days
	83.9°	85.8°
	25.2°	21.7°
	6.9	7
	3	4.3
	2080 ft.	2443 ft.

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 Whitman County with an average high temperature of 84.4°, which ranks it as warmer than most places in Washington. In Whitman County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Whitman County are September, June and July.

In Whitman County, there are 20.0 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

December has the coldest nighttime temperatures for Whitman County with an average of 23.5°. This is colder than most places in Washington.

In Whitman County, there are 129.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

In Whitman County, there are 2.4 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

Humidity is low in Whitman 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.

November is the wettest month in Whitman County with 2.6 inches of rain, and the driest month is August with 0.6 inches. The wettest season is Spring with 33% of yearly precipitation and 14% occurs in Autumn, which is the driest season. The annual rainfall of 19.0 inches in Whitman County means that it is drier than most places in Washington.

November is the rainiest month in Whitman County with 13.9 days of rain, and August is the driest month with only 3.5 rainy days. There are 109.1 rainy days annually in Whitman County, which is less rainy than most places in Washington. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 15% chance of a rainy day.

An annual snowfall of 31.7 inches in Whitman County means that it is snowier than most places in Washington. December is the snowiest month in Whitman County with 10.6 inches of snow, and 6 months of the year have significant snowfall.

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