Harbor Oregon Climate Data

Monthly Average Climate Data for Harbor Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January42.9 °F54.4 °F12.74 in.
February42.8 °F55.5 °F9.71 in.
March43.0 °F56.6 °F10.43 in.
April44.5 °F58.6 °F7.43 in.
May47.4 °F62.2 °F3.55 in.
June50.0 °F65.3 °F2.18 in.
July52.3 °F67.0 °F0.37 in.
August52.9 °F66.3 °F0.56 in.
September51.2 °F67.6 °F1.46 in.
October48.7 °F64.2 °F5.41 in.
November45.5 °F57.6 °F10.67 in.
December42.6 °F54.2 °F14.53 in.
Annual47 °F60.8 °F79.04 in.

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 : 30°F to 25°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
2024 plantmaps.com