Sinclair Wyoming Climate Data

Monthly Average Climate Data for Sinclair Wyoming

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.4 °C0.1 °C12.7 mm
February-9.7 °C1.4 °C9.91 mm
March-5.3 °C7.1 °C22.35 mm
April-2.2 °C11.7 °C25.4 mm
May2.7 °C17.7 °C37.59 mm
June7.2 °C24.6 °C22.1 mm
July11.1 °C29.2 °C18.54 mm
August10 °C27.9 °C19.3 mm
September5.2 °C22.6 °C20.83 mm
October-0.6 °C14.2 °C22.61 mm
November-5.7 °C6.1 °C14.99 mm
December-10.3 °C0.1 °C14.99 mm
Annual-0.7 °C13.6 °C241.31 mm

Climate Data for Sinclair 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 ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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