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


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Rio Vista, California, gets 15 inches of rain per year. The US average is 37. Snowfall is 0 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 48.

On average, there are 268 sunny days per year in Rio Vista, California. The July high is around 91 degrees. The January low is 37. Our comfort index, which is based on humidity during the hot months, is a 48 out of 100, where higher is more comfortable. The US average on the comfort index is 44.

  CLIMATERio Vista, CaliforniaUnited States
  Rainfall (in.)  1536.5
  Snowfall (in.)  0.225
  Precipitation Days  48100
  Sunny Days  268205
  Avg. July High  9186.5
  Avg. Jan. Low  36.920.5
  Comfort Index (higher=better)  4844
  UV Index  5.14.3
  Elevation ft.  561,443

Side-by-Side Comparison

Compare Rio_Vista, California to any other place in the USA.