Seattle, WA Climate


Reviews



Download our custom City Report to see exclusive
data on cost of living, crime, climate, and more.
Seattle, WA is known for its mild climate throughout the year. Summers are generally warm and dry with temperatures reaching up to 75 degrees Fahrenheit while winters are usually cool and wet. The region experiences an average of 37 inches of rain each year and snowfall averages around 10 inches annually. Seattle also experiences plenty of sunshine, averaging over 200 days of sun per year. Temperatures in the area rarely reach extreme highs or lows, making it an ideal location to visit during any season.

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

Seattle averages 5 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 152 sunny days per year in Seattle. The US average is 205 sunny days.

Seattle gets some kind of precipitation, on average, 155 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 37
Rain: averages 38 inches of rain a year
Snow: averages 5 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Seattle is 7.5 (10=best), which means it is one of the most pleasant places in Washington.

9.4 Summer - 5.6 Winter
August, July and September are the most pleasant months in Seattle, while December and January are the least comfortable months.

  ClimateSeattle, WashingtonUnited States
  38.0 in.38.1 in.
  4.6 in.27.8 in.
  155.3 days106.2 days
  152 days205 days
  75.8°85.8°
  37.0°21.7°
  7.57
  2.64.3
  177 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 Seattle with an average high temperature of 76.3°, which ranks it as cooler than most places in Washington. In Seattle, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Seattle are August, July and September.
In Seattle, there are 1.7 days annually when the high temperature is over 90°, which is cooler than most places in Washington.
December has the coldest nighttime temperatures for Seattle with an average of 35.9°. This is one of the warmest places in Washington.
In Seattle, there are 24.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Washington.
In Seattle, 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 Seattle 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 Seattle with 6.2 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Spring with 39% of yearly precipitation and 9% occurs in Autumn, which is the driest season. The annual rainfall of 38.0 inches in Seattle means that it is about average compared to other places in Washington.
November is the rainiest month in Seattle with 18.7 days of rain, and August is the driest month with only 5.3 rainy days. There are 155.3 rainy days annually in Seattle, which is about average compared to other places in Washington. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 13% chance of a rainy day.
An annual snowfall of 4.6 inches in Seattle means that it is about average compared to other places in Washington. December is the snowiest month in Seattle with 2.1 inches of snow, and 4 months of the year have significant snowfall.
Reviews for Seattle
    See all ()

I have lived here since 1975, I moved here from California but was born and raised in Michigan. I would have to say that I never regretted leaving Michigan and their  More

   |    Reply

Over 2 years ago

I’ve lived in Seattle for just under 7 years and while it can be a stunningly beautiful place, I am very excited to leave. I’ll start with some of the positive aspects.  More

   |    Reply

if you can afford it, Seattle is a very nice place to live and raise a family! however, it is extremely expensive and in the winter, it's rather gloomy. i love gloomy  More

   |    Reply

Start Your Review of Seattle

Jobs
Compare Seattle,
cost of living
Compare food, housing, utilities, and more in Seattle, Washington to any other city in the US.