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Jamestown, California, gets 35 inches of rain per year. The US average is 39. Snowfall is 25 inches. The average US city gets 26 inches of snow per year. The number of days with any measurable precipitation is 40.

On average, there are 264 sunny days per year in Jamestown, California. The July high is around 93 degrees. The January low is 35. Sperling's comfort index for Jamestown is a 78 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.

  CLIMATEJamestown, CaliforniaUnited States
  Rainfall (in.)  34.741439.2
  Snowfall (in.)  24.813325.8
  Precipitation Days  39.5102
  Sunny Days  264205
  Avg. July High  93.23686.1
  Avg. Jan. Low  35.03522.6
  Comfort Index (higher=better)  7854
  UV Index  5.14.3
  Elevation ft.  1,6871,443

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