Keizer Oregon Climate Data

Monthly Average Climate Data for Keizer Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.6 °F47.4 °F5.89 in.
February35.7 °F51.1 °F4.48 in.
March37.8 °F55.8 °F4.83 in.
April40.7 °F60.5 °F3.43 in.
May45.9 °F67.8 °F2.28 in.
June50.0 °F73.4 °F1.52 in.
July53.6 °F82.2 °F0.37 in.
August53.4 °F82.7 °F0.37 in.
September49.8 °F76.7 °F1.51 in.
October43.7 °F64.2 °F3.44 in.
November38.8 °F53.0 °F5.91 in.
December35.0 °F46.6 °F7.07 in.
Annual43.3 °F63.5 °F41.1 in.

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 : 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