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Climate

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  CLIMATE OVERVIEW
  

Fairfax County, Virginia, gets 42 inches of rain per year. The US average is 39. Snowfall is 22 inches. The average US city gets 26 inches of snow per year. The number of days with any measurable precipitation is 73.

On average, there are 199 sunny days per year in Fairfax County, Virginia. The July high is around 88 degrees. The January low is 24. Sperling's comfort index for Fairfax County is a 51 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.


  CLIMATEFairfax, VirginiaUnited States
  Rainfall (in.)  41.59339.2
  Snowfall (in.)  21.578925.8
  Precipitation Days  73.4102
  Sunny Days  199205
  Avg. July High  87.77286.1
  Avg. Jan. Low  23.95222.6
  Comfort Index (higher=better)  5154
  UV Index  44.3
  Elevation ft.  2661,443

  CLIMATE MAP

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