Silverton Oregon Climate Data

Monthly Average Climate Data for Silverton Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.4 °F47.3 °F6.68 in.
February35.7 °F51.0 °F4.93 in.
March37.9 °F55.6 °F5.33 in.
April41.0 °F60.4 °F4.08 in.
May46.1 °F67.4 °F2.8 in.
June50.2 °F72.9 °F1.8 in.
July53.9 °F81.3 °F0.41 in.
August53.6 °F81.6 °F0.52 in.
September50.0 °F75.9 °F1.58 in.
October44.0 °F63.7 °F3.87 in.
November38.9 °F52.7 °F6.8 in.
December34.9 °F46.3 °F7.37 in.
Annual43.5 °F63 °F46.17 in.

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 : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate