Waterloo Oregon Climate Data

Monthly Average Climate Data for Waterloo Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.1 °F47.6 °F6.24 in.
February35.3 °F51.4 °F4.82 in.
March37.6 °F56.0 °F5.26 in.
April40.4 °F60.9 °F4.13 in.
May45.2 °F67.8 °F2.87 in.
June49.4 °F73.3 °F1.94 in.
July53.0 °F83.3 °F0.4 in.
August52.6 °F84.1 °F0.51 in.
September48.7 °F77.7 °F1.72 in.
October43.1 °F64.9 °F3.91 in.
November38.6 °F52.9 °F6.49 in.
December34.9 °F46.6 °F7.1 in.
Annual42.8 °F63.9 °F45.39 in.

Climate Data for Waterloo Oregon

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
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 ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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