Mammoth Wyoming Climate Data

Monthly Average Climate Data for Mammoth Wyoming

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.2 °C-0.8 °C22.1 mm
February-11.1 °C1.2 °C18.8 mm
March-6.8 °C5.9 °C28.45 mm
April-3.2 °C10.3 °C36.83 mm
May1.3 °C15.8 °C48.51 mm
June5.3 °C21.1 °C49.78 mm
July8.6 °C27.3 °C32.26 mm
August7.7 °C26.8 °C27.94 mm
September3.7 °C21 °C31.5 mm
October-1.7 °C12.3 °C34.54 mm
November-7.2 °C3.8 °C30.48 mm
December-11.4 °C-1.3 °C24.13 mm
Annual-2.2 °C12 °C385.32 mm

Climate Data for Mammoth Wyoming

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 11 - Jun. 20
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 4b : -31.7°C to -28.9°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year