Silverton Oregon Climate Data

Monthly Average Climate Data for Silverton Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.9 °C8.5 °C169.67 mm
February2.1 °C10.6 °C125.22 mm
March3.3 °C13.1 °C135.38 mm
April5 °C15.8 °C103.63 mm
May7.8 °C19.7 °C71.12 mm
June10.1 °C22.7 °C45.72 mm
July12.2 °C27.4 °C10.41 mm
August12 °C27.6 °C13.21 mm
September10 °C24.4 °C40.13 mm
October6.7 °C17.6 °C98.3 mm
November3.8 °C11.5 °C172.72 mm
December1.6 °C7.9 °C187.2 mm
Annual6.4 °C17.2 °C1172.71 mm

Climate Data for Silverton Oregon

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost40-50 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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