Derby, CO has a semi-arid climate, with hot summers and cool winters. The average temperature in the summer ranges from 60 to 90 degrees Fahrenheit while winter temperatures range from 20 to 40 degrees Fahrenheit. Precipitation is low year round, averaging 9 inches per year. Snowfall can be heavy during the winter months, sometimes exceeding 10 feet each year. Despite the low precipitation levels, Derby experiences high humidity levels throughout the summer months due to its proximity to the Front Range of the Rocky Mountains.
Derby, Colorado gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Derby averages 45 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 Derby. The US average is 205 sunny days.
Derby gets some kind of precipitation, on average, 77 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.
Weather Highlights
Summer High: the July high is around 90 degrees
Winter Low: the January low is 17
Rain: averages 16 inches of rain a year
Snow: averages 45 inches of snow a year