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Home / United States  /  Virginia / / Fairfax County / Cities / Zip Codes

Climate

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  CLIMATE OVERVIEW
  

Fairfax County, Virginia, gets 42 inches of rain per year. The US average is 37. Snowfall is 12 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 109.

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. Our comfort index, which is based on humidity during the hot months, is a 41 out of 100, where higher is more comfortable. The US average on the comfort index is 44.

  CLIMATEFairfax, VirginiaUnited States
  Rainfall (in.)  41.736.5
  Snowfall (in.)  11.925
  Precipitation Days  109100
  Sunny Days  199205
  Avg. July High  88.386.5
  Avg. Jan. Low  23.720.5
  Comfort Index (higher=better)  4144
  UV Index  44.3
  Elevation ft.  2661,443

  CLIMATE MAP

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