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The climate of Seattle (Washington - United States of America)
Seattle is located centrally in the western part of the state of Washington and is the largest city in the state. Seattle is located in King County on the Puget Sound estuary and on Lake Washington. Seattle is one of the most important ports in the United States. Shipping is mainly directed towards the trade with Asia. The Space Needle is probably the most famous building in Seattle. The watchtower was built for the 1962 World Expo. From the Space Needle you have a view of the Olympic Mountains, the Cascade Range, Mount Rainier and Mount Baker. Seattle is also the birthplace of the Grunge. During the 1990s bands such as Nirvana, Soundgarden, Alice in Chains and Pearl Jam became world famous. The Seattle Mariners compete in the Major League Baseball and the Seattle Seahawks compete in the National Football League.
Seattle has a moderate maritime climate with most precipitation during the winter. This region has high annual precipitation figures and is among the wettest regions of the United States. Winters are cool but pleasant. During the winter longer periods with subzero temperatures (during the night) are not uncommon. During the coldest days of the year precipitation falls in the form of snow. Summers are cool with average temperatures below 25 degrees Celsius (77 degrees Fahrenheit).

 

Climate information
The figures below are based on long term weather and climate records. They are an average for Seattle:

average
 maximum
temperature (įC)

average
minimum

temperature (įC)
average
hours of sunshine

per
day
average days with precipitation
per month
average
mm
precipitation
per month
average
sea
temperature (įC)
January 7 2 2 18 n/a
February 10 3 4 15 n/a
March 12 3 5 16 n/a
April 14 5 7 14 n/a
May 18 8 8 11 n/a
June 21 11 9 9 n/a
July 23 13 10 5 n/a
August 23 13 9 6 n/a
September 20 11 7 9 n/a
October 16 8 5 13 n/a
November 11 5 2 18 n/a
December 8 2 2 19 n/a
= 0-5 mm ● = 6-30 mm ● = 31-60 mm ● = 61-100 mm ● = 101-200 mm ● = over 200 mm
= 0-0.2 inches ● = 0.2-1.2 inches ● = 1.2-2.4 inches ● = 2.5-4 inches ● = 4.1-8 inches ● = over 8 inches

More climate information
Climate figures are very useful but donít present a general impression of the climate and the eventual weather circumstances within a certain period. The figures donít always reflect the chance of wintry weather, extreme heat or hurricanes. That is why we offer useful extra climate information for each month of the year:
 

chance of
(very) hot

weather

chance of
(very) cool
weather
chance of
long-term

precipitation
chance of
hurricanes
(cyclones)
chance of
sunny days

UV-index

January
February
March
April
May
June
July
August
September
October
November
December
click here for the explanation of the symbols

Disclaimer
The information at this site was carefully composed from climate data collected by meteorological services, meteorological offices, climate experts and other sources. ďMore climate infoĒ is based on statistics, climate data and personal experience. No rights can be derived from this site. Weather has no memory and gives no guaranties. Nothing is as changeable and unpredictable as the weather. The authors of this site feel in no way responsible for any damages caused by misinterpretation or other circumstances that may influence your holiday or trip to a certain destination. We provide information, itís up to the reader to use it to itís benefit.

 

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