U.S. Frost Dates by Weather Station

Wyoming · 40 stations

Wyoming Frost Dates: 40 Weather Stations

40 NOAA weather stations in Wyoming with at least 25 years of frost records.

Weather stations with their typical (50% chance) frost dates
StationZoneLast spring frost (50%)First fall frost (50%)Frost-free days
Alta, WY5aJune 14September 1185
Baggs, WY4bJune 1September 18108
Basin, WY4bApril 28October 10164
Bates Creek #2, WY5aMay 22September 26125
Buffalo, WY5aMay 24September 21118
Burris, WY4bJune 1September 14104
Casper, WY5aMay 26September 22117
Cheyenne, WY5bMay 12October 1141
Chugwater, WY5aMay 18September 24129
Clearmont, WY4bMay 24September 16114
Cody, WY5aMay 12October 1140
Deaver, WY4bMay 6October 1148
Devils Tower #2, WY4bMay 23September 20118
Dillinger, WY4bMay 25September 17113
Dull Center, WY4bMay 15September 27133
Emblem, WY5aMay 12September 28136
Jeffrey City, WY4bJune 1September 13104
Kaycee, WY4bMay 18September 25129
Laramie, WY4bJune 2September 15102
Leiter, WY5aMay 14September 30137
Lovell, WY5aMay 9September 29142
Midwest, WY5aMay 22September 22121
Newcastle, WY5aMay 13October 3143
Old Fort Laramie, WY4bMay 14September 26134
Powell, WY5aMay 19September 20123
Rawlins, WY5aJune 1September 15105
Redbird, WY4aMay 16September 24130
Rock Springs, WY5bMay 22September 28126
Tensleep 16 SSE, WY4aMay 22September 18117
Tensleep 4 NE, WY5bMay 10October 1141
Thermopolis, WY5aMay 5October 5152
Torrington, WY5aMay 17September 28133
Upton, WY4bMay 20September 23123
Wheatland, WY5aMay 19September 22125
Worland (USC00489770), WY4bMay 4October 1149
Worland (USW00024062), WY4bMay 13September 26133
Wright, WY4bMay 25September 23120
Yellowstone Park Mammoth, WY5aJune 3September 14102
near Lander, WY5aMay 18September 27131
near Sheridan, WY5aMay 21September 23123