Oakville Washington Climate Data

Monthly Average Climate Data for Oakville Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.0 °F47.1 °F9.08 in.
February34.4 °F50.3 °F5.99 in.
March36.2 °F54.7 °F6.19 in.
April38.9 °F60.7 °F4.53 in.
May44.2 °F67.3 °F2.62 in.
June48.4 °F70.9 °F2.02 in.
July52.0 °F77.7 °F0.58 in.
August52.0 °F78.5 °F1.02 in.
September48.0 °F73.4 °F2.08 in.
October42.3 °F62.4 °F5.31 in.
November37.2 °F51.9 °F9.37 in.
December34.6 °F46.1 °F9.11 in.
Annual41.9 °F61.8 °F57.9 in.

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 : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8a : 10°F to 15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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