Riverside Oregon Climate Data

Monthly Average Climate Data for Riverside Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January28.1 °F42.5 °F1.6 in.
February29.5 °F47.7 °F1.33 in.
March33.8 °F56.2 °F1.53 in.
April38.2 °F62.9 °F1.5 in.
May44.8 °F71.8 °F1.71 in.
June50.7 °F79.1 °F1.21 in.
July56.1 °F89.9 °F0.34 in.
August55.1 °F88.8 °F0.45 in.
September47.5 °F79.4 °F0.54 in.
October38.8 °F65.3 °F1.1 in.
November32.3 °F50.6 °F1.69 in.
December27.9 °F42.0 °F1.72 in.
Annual40.2 °F64.7 °F14.72 in.

Climate Data for Riverside Oregon

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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