Boulder Flats Wyoming Climate Data

Monthly Average Climate Data for Boulder Flats Wyoming

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-13.4 °C0.9 °C12.19 mm
February-11.7 °C3.1 °C16.51 mm
March-6 °C9.2 °C27.18 mm
April-1.9 °C13.7 °C50.04 mm
May3.2 °C18.6 °C71.12 mm
June7.5 °C25 °C30.73 mm
July11.3 °C30.2 °C17.78 mm
August10.3 °C29.3 °C17.02 mm
September5.6 °C23.5 °C29.46 mm
October-0.8 °C15.4 °C32.77 mm
November-7.4 °C7 °C17.53 mm
December-12.7 °C1 °C11.43 mm
Annual-1.3 °C14.7 °C333.76 mm

Climate Data for Boulder Flats Wyoming

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
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 ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year