Weather By Day

December Cheyenne Weather 
December Cheyenne Weather
Record High: 69°F
Normal High: 38°F
Normal Low: 16°F
Record Low: -28°F
Avg Monthly Rain: 0.46"
Rec 1 Day Rain: 1.28"
Avg Monthly Snow: 6.2"
Rec 1 Day Snow: 12.5"

Cheyenne Weather In December

In the last 75 years the highest measured December temperature in Cheyenne was 69 degrees Fahrenheit, most recently encountered on December 5, 1939, and the mean high is 38. The record low December temperature in Cheyenne for the last 75 years was -28 most recently encountered on December 19, 1990, and the typical low is 16.

United States NWS historical Cheyenne December Weather data records that on December 21, 1990, the high temperature did not exceed -18 degrees Fahrenheit, the lowest high measured in Cheyenne in the past 75 years. NWS weather data additionally shows that on December 6, 1981, the lowest recorded temperature on that day did not drop below 47 degrees, the highest low measured in Cheyenne in the last 75 years.

National Weather Service records indicate that the high temperature in Cheyenne on December First averages 43 degrees and the high on the last day of the month averages 36 degrees. The low recorded temperature in Cheyenne on December First averages 21 degrees Fahrenheit and the low temperature on the final day of December averages 14 degrees.

Cheyenne usually receives an average of 0.46 inches of rain during December. According to December Cheyenne Weather records, the most rain measured in a single day in December was 1.28 inches on December 13, 1925. Cheyenne receives an average of 6.2 inches of snow in December. The highest snowfall on a single day in December was 12.5 inches on December 20, 2006.