Olympia Washington Climate Data

Monthly Average Climate Data for Olympia Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.8 °C8.3 °C217.42 mm
February1.5 °C9.9 °C138.18 mm
March2.7 °C12.5 °C157.73 mm
April4.3 °C15.3 °C104.65 mm
May7.3 °C19.2 °C66.04 mm
June9.7 °C21.6 °C49.53 mm
July11.6 °C25.2 °C17.78 mm
August11.6 °C25.7 °C31.5 mm
September9.3 °C22.6 °C52.07 mm
October6.1 °C16 °C143.51 mm
November3.2 °C10.9 °C252.73 mm
December1.5 °C7.8 °C228.35 mm
Annual5.9 °C16.3 °C1459.49 mm

Climate Data for Olympia 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
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