Oakville Washington Climate Data

Monthly Average Climate Data for Oakville Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.7 °C8.4 °C230.63 mm
February1.3 °C10.2 °C152.15 mm
March2.3 °C12.6 °C157.23 mm
April3.8 °C15.9 °C115.06 mm
May6.8 °C19.6 °C66.55 mm
June9.1 °C21.6 °C51.31 mm
July11.1 °C25.4 °C14.73 mm
August11.1 °C25.8 °C25.91 mm
September8.9 °C23 °C52.83 mm
October5.7 °C16.9 °C134.87 mm
November2.9 °C11.1 °C238 mm
December1.4 °C7.8 °C231.39 mm
Annual5.5 °C16.5 °C1470.66 mm

Climate Data for Oakville Washington

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8a : -12.2°C to -9.4°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
2024 plantmaps.com