Zip 99181 (Valley, WA) Climate

99181 Valley, WA has a mild climate throughout the year with warm summers and cool winters. In the summer, temperatures generally range from the mid-60s to the mid-80s, while in the winter they tend to stay in the mid-30s to the mid-50s. The area sees around 37 inches of rain annually, mostly concentrated during late fall and early winter. Winters are usually dry and sunny with light snowfall occasionally occurring. Spring is moderate with comfortable temperatures until May when temperatures start to rise again. Summer brings hot days but more comfortable nights due to coastal breezes from nearby Puget Sound.

Valley (zip 99181), Washington gets 21 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Valley (zip 99181) averages 42 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 174 sunny days per year in Valley (zip 99181). The US average is 205 sunny days.

Valley (zip 99181) gets some kind of precipitation, on average, 106 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 85 degrees
Winter Low: the January low is 21
Rain: averages 21 inches of rain a year
Snow: averages 42 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 99181 zip code is 6.7 (10=best), which means it is less comfortable than most places in Washington.

8.7 Summer - 4.1 Winter

July, September and June are the most pleasant months in the 99181 zip code, while December and January are the least comfortable months.

Climate	Valley, Washington	United States
	Unlock	38.1 in.
	41.9 in.	Unlock
	Unlock	106.2 days
	174 days	Unlock
	85.2°	85.8°
	Unlock	21.7°
	6.7	Unlock
	Unlock	4.3
	1768 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 99181 zip code with an average high temperature of 85.7°, which ranks it as warmer than most places in Washington. In the 99181 zip code, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 99181 zip code are June, September and July.

In the 99181 zip code, there are 25.2 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

December has the coldest nighttime temperatures for the 99181 zip code with an average of 19.2°. This is one of the coldest places in Washington.

In the 99181 zip code, there are 165.8 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Washington.

In the 99181 zip code, there are 4.8 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Washington.

Humidity is low in the 99181 zip code, 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 the 99181 zip code with 2.8 inches of rain, and the driest month is August with 0.9 inches. The wettest season is Spring with 31% of yearly precipitation and 18% occurs in Autumn, which is the driest season. The annual rainfall of 20.8 inches in the 99181 zip code means that it is drier than most places in Washington.

November is the rainiest month in the 99181 zip code with 12.5 days of rain, and August is the driest month with only 4.3 rainy days. There are 106.2 rainy days annually in the 99181 zip code, which is less rainy than most places in Washington. The rainiest season is Spring when it rains 30% of the time and the driest is Autumn with only a 18% chance of a rainy day.

An annual snowfall of 41.9 inches in the 99181 zip code means that it is snowier than most places in Washington. December is the snowiest month in the 99181 zip code with 16.2 inches of snow, and 5 months of the year have significant snowfall.

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