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


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Friday Harbor, Washington, gets 24 inches of rain per year. The US average is 39. Snowfall is 4 inches. The average US city gets 26 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 37. Sperling's comfort index for Friday Harbor is a 74 out of 100, where a higher score indicates a more comfortable year-around climate. The US average for the comfort index is 54. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.

  CLIMATEFriday Harbor, WashingtonUnited States
  Rainfall (in.)  23.509339.2
  Snowfall (in.)  4.4923525.8
  Precipitation Days  134.8102
  Sunny Days  157205
  Avg. July High  70.43286.1
  Avg. Jan. Low  36.78622.6
  Comfort Index (higher=better)  7454
  UV Index  2.64.3
  Elevation ft.  551,443

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Where Eagles Soar and Orcas Play

I lived on the Island for a couple of the winter months in 2007. I house sat a beautiful home on acreage with a view of the water. The Island is very quiet during the... (Read More)



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