Seattle Weather

Seattle Average Weather & Yearly Climate

The yearly weather in Seattle is typically around 15 throughout the year, with temperatures varying each month

Weather statistics show that July is the hottest month of the year and January is the coldest period of the year. Temperatures differ by 16. Typically the temperatures are around 15 in Spring (Mar, Apr, May) 22 in Summer (June, July and August) , 16 in Autumn (Sept – Nov) and 8 during Winter.

Month Degrees Celsius
January 7
February 10
March 12
April 14
May 18
June 21
July 23
August 23
September 20
October 16
November 11
December 8


What are the Weather Insights, Yearly Temperature, Climate in Seattle?

Our collation of the weather data helps to decide when the best time to visit Seattle

  • Typical Average Daily Temperature: 15
  • Typical Hottest Month: July
  • Typical Coldest Month: January
  • Average Spring Temperature: 15
  • Average Summer Temperature: 22
  • Average Autumn Temperature: 16
  • Average Winter Temperature: 8