Dayton Oregon Climate Data

Monthly Average Climate Data for Dayton Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.1 °C8.5 °C172.72 mm
February2.2 °C10.6 °C124.97 mm
March3.3 °C13.2 °C118.11 mm
April4.9 °C15.9 °C86.87 mm
May7.7 °C20.1 °C54.36 mm
June10 °C23.2 °C33.78 mm
July12 °C28.1 °C7.11 mm
August11.9 °C28.3 °C10.16 mm
September9.8 °C24.8 °C33.27 mm
October6.6 °C17.8 °C91.19 mm
November3.8 °C11.7 °C164.08 mm
December1.7 °C8.1 °C201.68 mm
Annual6.3 °C17.5 °C1098.3 mm

Climate Data for Dayton Oregon

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 21 - Apr. 30
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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