Philomath Oregon Climate Data

Monthly Average Climate Data for Philomath Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.6 °C8.4 °C167.39 mm
February1.7 °C10.6 °C129.03 mm
March2.8 °C13.2 °C126.24 mm
April4.3 °C15.7 °C85.6 mm
May6.9 °C19.6 °C54.1 mm
June9.2 °C22.8 °C33.02 mm
July11.3 °C27.6 °C7.62 mm
August11.1 °C28 °C9.14 mm
September9.1 °C24.8 °C34.04 mm
October5.9 °C17.8 °C86.36 mm
November3.3 °C11.6 °C162.56 mm
December1.3 °C7.9 °C202.44 mm
Annual5.7 °C17.3 °C1097.54 mm

Climate Data for Philomath Oregon

Average First Frost DateOct. 21 - Oct. 31
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