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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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Boulder (zip 80301), Colorado, gets 16 inches of rain per year. The US average is 37. Snowfall is 31 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 58.

On average, there are 245 sunny days per year in Boulder (zip 80301), Colorado. The July high is around 88 degrees. The January low is 14. Our comfort index, which is based on humidity during the hot months, is a 63 out of 100, where higher is more comfortable. The US average on the comfort index is 44.

  CLIMATEBoulder, ColoradoUnited States
  Rainfall (in.)  1636.5
  Snowfall (in.)  31.125
  Precipitation Days  58100
  Sunny Days  245205
  Avg. July High  8886.5
  Avg. Jan. Low  13.820.5
  Comfort Index (higher=better)  6344
  UV Index  5.84.3
  Elevation ft.  5,2111,443

Side-by-Side Comparison

Compare Boulder, Colorado to any other place in the USA.