Boulder Flats Wyoming Climate Data

Monthly Average Climate Data for Boulder Flats Wyoming

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January7.9 °F33.6 °F0.48 in.
February11.0 °F37.6 °F0.65 in.
March21.2 °F48.5 °F1.07 in.
April28.6 °F56.6 °F1.97 in.
May37.8 °F65.5 °F2.8 in.
June45.5 °F77.0 °F1.21 in.
July52.4 °F86.4 °F0.7 in.
August50.5 °F84.8 °F0.67 in.
September42.1 °F74.3 °F1.16 in.
October30.6 °F59.7 °F1.29 in.
November18.6 °F44.6 °F0.69 in.
December9.2 °F33.8 °F0.45 in.
Annual29.6 °F58.5 °F13.14 in.

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 : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year