Opal Wyoming Climate Data

Monthly Average Climate Data for Opal Wyoming

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-15.2 °C-1.1 °C13.21 mm
February-14.1 °C0.2 °C12.45 mm
March-8.4 °C5.9 °C15.75 mm
April-4.3 °C11.3 °C21.84 mm
May0.3 °C16.9 °C36.32 mm
June4.1 °C23 °C22.61 mm
July7.7 °C28.1 °C14.22 mm
August6.7 °C27.2 °C19.3 mm
September1.9 °C21.9 °C24.13 mm
October-3.4 °C14.1 °C20.57 mm
November-9.1 °C5.4 °C12.95 mm
December-14.5 °C-0.8 °C12.95 mm
Annual-4 °C12.7 °C226.3 mm

Climate Data for Opal Wyoming

Average First Frost DateAug. 21 - Aug. 31
Average Last Frost DateJun. 21 - Jun. 30
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 4b : -31.7°C to -28.9°C
Plant Hardiness Zone - 2012Zone 4b : -31.7°C to -28.9°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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