Boulder, Colorado 

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Climate in Boulder, Colorado

Boulder, Colorado gets 18 inches of rain, on average, per year. The US average is 39 inches of rain per year.

Boulder averages 95 inches of snow per year. The US average is 26 inches of snow per year.

On average, there are 245 sunny days per year in Boulder. The US average is 205 sunny days.

Summer High: the July high is around 88 degrees
Winter Low: the January low is 18

Sperling's Comfort Index for Boulder is a 73 out of 100
A higher score indicates a more comfortable year-round 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.


Boulder gets some kind of precipitation, on average, 49 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.


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  CLIMATEBoulder, ColoradoUnited States
  Rainfall (in.)18.439.2
  Snowfall (in.)95.225.8
  Precipitation Days48.7102.0
  Sunny Days245205
  Avg. July High88.586.1
  Avg. Jan. Low17.922.6
  Comfort Index (higher=better)7354
  UV Index5.84.3
  Elevation ft.54191443
  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Boulder    49 Reviews
    Fake - 3/12/2017
    Town of elitist snobs and good renters that eventually to leave because it is not affordable. The elitist are fake liberals. They will protest for better but never... Read More

    Start Your Review of Boulder

    Yeah yeah - 7/29/2016
    A lot of truths and a lot of misconceptions from what I've read so far. I came to Boulder two years ago from SW Florida. Here are my pro's and cons: Pro's: -... Read More

    About rental properties: check to ensure everythin - 6/3/2014
    The City of Boulder requires a rental license for rental properties. An inspection is required to obtain a rental license. However landlords must hire a third party... Read More

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