Boulder Wyoming Climate Data

Monthly Average Climate Data for Boulder Wyoming

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-19.2 °C-2.8 °C13.46 mm
February-17.9 °C-1.3 °C14.22 mm
March-11 °C4.4 °C14.22 mm
April-5.8 °C10.4 °C22.61 mm
May-1.3 °C16.1 °C37.34 mm
June2.6 °C21.7 °C31.75 mm
July5.5 °C26.7 °C18.54 mm
August4.3 °C26.1 °C20.32 mm
September0 °C20.9 °C26.42 mm
October-5.3 °C13.3 °C22.86 mm
November-11.8 °C4.3 °C12.45 mm
December-18.1 °C-2.2 °C14.22 mm
Annual-6.5 °C11.5 °C248.41 mm

Climate Data for Boulder Wyoming

Average First Frost DateAug. 1 - Aug. 10
Average Last Frost DateJul. 11 - Jul. 20
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 3b : -37.2°C to -34.4°C
Plant Hardiness Zone - 2012Zone 3b : -37.2°C to -34.4°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfc - Subarctic With Cool Summers And Year Around Rainfall
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