Keizer Oregon Climate Data

Monthly Average Climate Data for Keizer Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2 °C8.6 °C149.61 mm
February2.1 °C10.6 °C113.79 mm
March3.2 °C13.2 °C122.68 mm
April4.8 °C15.8 °C87.12 mm
May7.7 °C19.9 °C57.91 mm
June10 °C23 °C38.61 mm
July12 °C27.9 °C9.4 mm
August11.9 °C28.2 °C9.4 mm
September9.9 °C24.8 °C38.35 mm
October6.5 °C17.9 °C87.38 mm
November3.8 °C11.7 °C150.11 mm
December1.7 °C8.1 °C179.58 mm
Annual6.3 °C17.5 °C1043.94 mm

Climate Data for Keizer Oregon

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost50-75 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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