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Climate in Washington

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

Washington averages 18 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 165 sunny days per year in Washington. The US average is 205 sunny days.

Washington gets some kind of precipitation, on average, 137 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 79 degrees
Winter Low: the January low is 31
Rain: averages 38 inches of rain a year
Snow: averages 18 inches of snow a year

Washington ranks 74/100 for Comfort Index

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 54. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Climate Averages
  Washington, WashingtonUnited States
  37.6 in.38.1 in.
  18.4 in.27.8 in.
  137.4 days106.2 days
  165 days205 days
  1907 ft.2443 ft.


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 Washington with an average high temperature of 79.4°, which ranks it as one of the coolest states. In Washington, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Washington are July, August and September.

December has the coldest nighttime temperatures for Washington with an average of 29.4°. This is warmer than most of the U.S. states.

Washington has 11.4 days annually when the high temperature is over 90°, which is cooler than most states in the U.S.

Washington has 79.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most states in the U.S.

Washington averages 1.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most states in the U.S.

November is the wettest month in Washington with 6.0 inches of rain, and the driest month is July with 0.9 inches. The wettest season is Spring with 38% of yearly precipitation and 10% occurs in Autumn, which is the driest season. Washington's average annual rainfall of 37.6 inches indicates that it is drier than most states in the United States.

November is the rainiest month in Washington with 16.7 days of rain, and August is the driest month with only 4.6 rainy days. Washington's annual average of 137.4 days with measurable rain is one of the rainiest states in the United States. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 14% chance of a rainy day.

Washington's average annual snowfall of 18.4 inches indicates that it is less snowy than most states in the United States.

December is the snowiest month in Washington with 6.4 inches of snow, and 5 months of the year have significant snowfall.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Washington    86 Reviews
    It has it's good and bad - 12/4/2017
    I've lived in Washington, New York and Arizona. I enjoy Washington overall but there are some problems with the state for me that irritate me. It's varied with its... Read More

    Start Your Review of Washington

    Are there any AFFORDABLE places to live in Washing - 7/13/2016
    I have been looking at the Puget Sound area thinking about retiring there, but it's so cold -- does the Port Angeles/Port Townsend area EVER get above 65?? Housing... Read More

    Looking for Warmer Climate - 1/14/2016
    Looking for a warmer area to... Read More

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