Silverthorne Colorado Climate Data

Monthly Average Climate Data for Silverthorne Colorado

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-15.1 °C-0.1 °C30.99 mm
February-14.1 °C1.7 °C26.16 mm
March-10.4 °C5.8 °C29.46 mm
April-6.1 °C9.6 °C34.04 mm
May-1.7 °C15.2 °C31.24 mm
June1.8 °C21.7 °C28.19 mm
July5.2 °C24.7 °C43.94 mm
August4.3 °C23.3 °C44.96 mm
September0.4 °C19.7 °C36.83 mm
October-4.8 °C12.8 °C28.96 mm
November-10.2 °C5.3 °C22.86 mm
December-14.7 °C-0.1 °C25.65 mm
Annual-5.5 °C11.6 °C383.28 mm

Climate Data for Silverthorne Colorado

Average First Frost DateAug. 11 - Aug. 20
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 ClassificationDfc - Subarctic With Cool Summers And Year Around Rainfall
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