Tukwila Washington Climate Data

Monthly Average Climate Data for Tukwila Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.5 °C8.7 °C141.99 mm
February2.5 °C10.1 °C103.89 mm
March3.9 °C12.3 °C117.09 mm
April5.8 °C15.1 °C88.14 mm
May8.8 °C18.9 °C50.29 mm
June11.3 °C21.3 °C44.45 mm
July13.3 °C24.8 °C19.05 mm
August13.4 °C25.1 °C24.13 mm
September11.2 °C21.9 °C41.4 mm
October7.7 °C16 °C111.76 mm
November4.4 °C11.2 °C163.32 mm
December2.3 °C8.2 °C155.19 mm
Annual7.3 °C16.1 °C1060.7 mm

Climate Data for Tukwila Washington

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost30-40 Days
Plant Hardiness Zone - 2023Zone 9a : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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