Riverside Oregon Climate Data

Monthly Average Climate Data for Riverside Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-2.2 °C5.8 °C40.64 mm
February-1.4 °C8.7 °C33.78 mm
March1 °C13.4 °C38.86 mm
April3.4 °C17.2 °C38.1 mm
May7.1 °C22.1 °C43.43 mm
June10.4 °C26.2 °C30.73 mm
July13.4 °C32.2 °C8.64 mm
August12.8 °C31.6 °C11.43 mm
September8.6 °C26.3 °C13.72 mm
October3.8 °C18.5 °C27.94 mm
November0.2 °C10.3 °C42.93 mm
December-2.3 °C5.6 °C43.69 mm
Annual4.6 °C18.2 °C373.89 mm

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 : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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