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We have place information on 13 very cool categories, pick one or scroll down to see an overview.

Home / United States  /  Washington / No Metro Area / San Juan County / Friday Harbor / Zip Codes


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Friday Harbor, Washington, gets 29 inches of rain per year. The US average is 37. Snowfall is 7 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 135.

On average, there are 157 sunny days per year in Friday Harbor, Washington. The July high is around 70 degrees. The January low is 35. Our comfort index, which is based on humidity during the hot months, is a 80 out of 100, where higher is more comfortable. The US average on the comfort index is 44.

  CLIMATEFriday Harbor, WashingtonUnited States
  Rainfall (in.)  2936.5
  Snowfall (in.)  6.625
  Precipitation Days  135100
  Sunny Days  157205
  Avg. July High  7086.5
  Avg. Jan. Low  34.520.5
  Comfort Index (higher=better)  8044
  UV Index  2.64.3
  Elevation ft.  551,443

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