Seattle-Tacoma-Bellevue Metro Area, WA Climate

The Seattle-Tacoma-Bellevue, WA Metro Area enjoys a mild temperate climate. The area rarely experiences extreme temperatures in either direction. Summers are usually dry and warm with temperatures reaching into the 70s and 80s while winters offer cool temperatures around freezing. Rain is common throughout the year with around 40 inches of precipitation occurring annually. Winters generally bring more precipitation than summers, though snowfall is rare and usually only occurs for a few days during the year. Due to its relatively mild climate, Seattle stays green throughout all four seasons and is known for its lush natural beauty.

Seattle-Tacoma-Bellevue Metro Area, Washington gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Seattle-Tacoma-Bellevue Metro Area averages 6 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 136 sunny days per year in Seattle-Tacoma-Bellevue Metro Area. The US average is 205 sunny days.

Seattle-Tacoma-Bellevue Metro Area gets some kind of precipitation, on average, 162 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 76 degrees
Winter Low: the January low is 36
Rain: averages 45 inches of rain a year
Snow: averages 6 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the Seattle-Tacoma-Bellevue metro area is 7.3 (10=best), which means it is more comfortable than most places in Washington.

9.3 Summer - 5.4 Winter

August, July and September are the most pleasant months in the Seattle-Tacoma-Bellevue metro area, while December and January are the least comfortable months.

Climate	Seattle-Tacoma-Bellevue, Washington	United States
	Unlock	38.1 in.
	5.9 in.	Unlock
	Unlock	106.2 days
	136 days	Unlock
	75.8°	85.8°
	Unlock	21.7°
	7.3	Unlock
	Unlock	4.3
	2062 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 Seattle-Tacoma-Bellevue metro area with an average high temperature of 76.3°, which ranks it as cooler than most places in Washington. In the Seattle-Tacoma-Bellevue metro area, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the Seattle-Tacoma-Bellevue metro area are August, July and September.

In the Seattle-Tacoma-Bellevue metro area, there are 2.3 days annually when the high temperature is over 90°, which is cooler than most places in Washington.

December has the coldest nighttime temperatures for the Seattle-Tacoma-Bellevue metro area with an average of 34.6°. This is warmer than most places in Washington.

In the Seattle-Tacoma-Bellevue metro area, there are 36.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Washington.

In the Seattle-Tacoma-Bellevue metro area, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Washington.

Humidity in the Seattle-Tacoma-Bellevue metro area is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and September.

November is the wettest month in the Seattle-Tacoma-Bellevue metro area with 7.2 inches of rain, and the driest month is July with 1.0 inches. The wettest season is Spring with 38% of yearly precipitation and 9% occurs in Autumn, which is the driest season. The annual rainfall of 44.7 inches in the Seattle-Tacoma-Bellevue metro area means that it is wetter than most places in Washington.

November is the rainiest month in the Seattle-Tacoma-Bellevue metro area with 19.5 days of rain, and August is the driest month with only 5.3 rainy days. There are 162.0 rainy days annually in the Seattle-Tacoma-Bellevue metro area, which is about average compared to other places in Washington. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 13% chance of a rainy day.

An annual snowfall of 5.9 inches in the Seattle-Tacoma-Bellevue metro area means that it is about average compared to other places in Washington. December is the snowiest month in the Seattle-Tacoma-Bellevue metro area with 2.0 inches of snow, and 5 months of the year have significant snowfall.

Reviews for Seattle-Tacoma-Bellevue

See all ()

Write a Review

Brietta · Seattle, WA

Great place to live

Over 5 years ago

I have lived here for 36 years and love it. Mountains are a short drive away, tons of camping, people are friendly, and it feels safe. More

| Reply

Donald · Sequim, WA

Seattle is a wonderful playground for the hapless.

Over 6 years ago

If you enjoy traffic gridlock, daily crime, gangs, homeless people defecating and urinating in public, business people who cannot communicate using the English language, More