Silverton Colorado Climate Data

Monthly Average Climate Data for Silverton Colorado

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January0.9 °F34.3 °F1.82 in.
February3.3 °F37.2 °F1.91 in.
March11.6 °F43.8 °F2.07 in.
April20.3 °F49.2 °F1.61 in.
May28.5 °F58.4 °F1.79 in.
June35.2 °F69.5 °F1.06 in.
July41.4 °F74.0 °F2.42 in.
August40.7 °F71.3 °F3.08 in.
September33.9 °F65.3 °F2.98 in.
October24.3 °F54.8 °F2.25 in.
November12.2 °F43.5 °F1.55 in.
December1.8 °F33.6 °F1.55 in.
Annual21.2 °F52.9 °F24.09 in.

Climate Data for Silverton Colorado

Average First Frost DateAug. 1 - Aug. 10
Average Last Frost DateJul. 1 - Jul. 10
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfc - Subarctic With Cool Summers And Year Around Rainfall