Wyoming, United States Climate Records

Warmest December Days

The warmest December days in Wyoming are:

Sheridan, Wyoming198172°F
Sheridan, Wyoming199971.1°F
Sheridan, Wyoming197570°F
Sheridan, Wyoming199570°F
Sheridan, Wyoming197969.1°F

Coldest December Days

The coldest December days in Wyoming were:

Casper, Wyoming1990-41.1°F
Casper, Wyoming1983-38.9°F
Sheridan, Wyoming1989-35.1°F
Sheridan, Wyoming1983-35°F
Casper, Wyoming1978-34.1°F

Wettest December Days

The wettest single days in December occurred:

Sheridan, Wyoming19892.1 inches
Casper, Wyoming19821.5 inches
Cheyenne, Wyoming19791.1 inches
Sheridan, Wyoming19750.9 inches
Cheyenne, Wyoming20060.8 inches