Harrisburg Oregon Climate Data

Monthly Average Climate Data for Harrisburg Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.7 °C8.5 °C154.94 mm
February1.7 °C10.6 °C123.44 mm
March2.8 °C13.3 °C133.6 mm
April4.4 °C15.8 °C87.12 mm
May6.9 °C19.6 °C59.69 mm
June9.2 °C22.9 °C33.02 mm
July11.2 °C28 °C8.38 mm
August11.1 °C28.3 °C10.16 mm
September9 °C25.1 °C33.78 mm
October5.8 °C18 °C81.28 mm
November3.3 °C11.6 °C150.88 mm
December1.4 °C7.9 °C182.88 mm
Annual5.7 °C17.5 °C1059.17 mm

Climate Data for Harrisburg 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 ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
2024 plantmaps.com