Grants Pass Oregon Climate Data

Monthly Average Climate Data for Grants Pass Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.1 °C8.8 °C135.89 mm
February1.4 °C12.3 °C101.6 mm
March2.3 °C15.2 °C96.01 mm
April4.1 °C18.3 °C58.67 mm
May7 °C23.2 °C32.77 mm
June9.8 °C27 °C17.53 mm
July12.8 °C32.1 °C9.14 mm
August12.1 °C32.2 °C6.1 mm
September8.7 °C28.6 °C15.49 mm
October4.9 °C20.8 °C55.12 mm
November3.2 °C12.3 °C116.33 mm
December1.2 °C7.7 °C174.75 mm
Annual5.7 °C19.9 °C819.4 mm

Climate Data for Grants Pass Oregon

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
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