Climate in Boulder Metro Area, Colorado

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Climate	Boulder, CO	United States
Rainfall (in.)	18.3	36.5
Snowfall (in.)	77.6	25
Precipitation Days	81	100
Sunny Days	246	205
Avg. July High	85.6	86.5
Avg. Jan. Low	17.3	20.5
Comfort Index (higher=better)	63	44
UV Index	5.8	4.3
Elevation ft.	7,389	1,443

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Boulder Metro Area, CO, gets 18 inches of rain per year. The US average is 37. Snowfall is 78 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 81.

On average, there are 246 sunny days per year in Boulder Metro Area, CO. The July high is around 86 degrees. The January low is 17. 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.

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