Arapahoe County, Colorado gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Arapahoe County averages 63 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 245 sunny days per year in Arapahoe County. The US average is 205 sunny days.
Arapahoe County gets some kind of precipitation, on average, 81 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.
Summer High: the July high is around 88 degrees
Winter Low: the January low is 18
Rain: averages 17 inches of rain a year
Snow: averages 63 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Arapahoe County is 7.2 (10=best), which means it is more comfortable than most places in Colorado.
8.9 / 5.5
Summer / Winter
September, August and June are the most pleasant months in Arapahoe County, while December and January are the least comfortable months.