Harbor Oregon Climate Data

Monthly Average Climate Data for Harbor Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January6.1 °C12.4 °C323.6 mm
February6 °C13.1 °C246.63 mm
March6.1 °C13.7 °C264.92 mm
April6.9 °C14.8 °C188.72 mm
May8.6 °C16.8 °C90.17 mm
June10 °C18.5 °C55.37 mm
July11.3 °C19.4 °C9.4 mm
August11.6 °C19.1 °C14.22 mm
September10.7 °C19.8 °C37.08 mm
October9.3 °C17.9 °C137.41 mm
November7.5 °C14.2 °C271.02 mm
December5.9 °C12.3 °C369.06 mm
Annual8.3 °C16 °C2007.6 mm

Climate Data for Harbor Oregon

Average First Frost DateJan. 1 - Jan. 10
Average Last Frost DateFeb. 21 - Feb. 29
Average Days With Frost10-20 Days
Plant Hardiness Zone - 2023Zone 10a : -1.1°C to 1.7°C
Plant Hardiness Zone - 2012Zone 9b : -3.9°C to -1.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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