Average Last Frost Dates for Wyoming

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Last Frost Dates were calculated using daily climate data from the period between 1991-2020.

List of Average Last Frost Dates for Locations in Wyoming

LocationAverage Last Frost Dates
CasperMay 21 - May 31
CheyenneJun. 1 - Jun. 10
CodyMay 21 - May 31
DouglasMay 11 - May 20
EvanstonJun. 11 - Jun. 20
GilletteJun. 1 - Jun. 10
Green RiverJun. 21 - Jun. 30
JacksonJul. 1 - Jul. 10
LanderJun. 1 - Jun. 10
LaramieJun. 21 - Jun. 30
PowellJun. 1 - Jun. 10
RanchettesJun. 1 - Jun. 10
RawlinsJun. 21 - Jun. 30
RivertonJun. 1 - Jun. 10
Rock SpringsJun. 11 - Jun. 20
SheridanJun. 1 - Jun. 10
TorringtonJun. 1 - Jun. 10

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