Tukwila Washington Climate Data

Monthly Average Climate Data for Tukwila Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January36.5 °F47.6 °F5.59 in.
February36.5 °F50.1 °F4.09 in.
March39.0 °F54.1 °F4.61 in.
April42.5 °F59.2 °F3.47 in.
May47.9 °F66.0 °F1.98 in.
June52.4 °F70.4 °F1.75 in.
July56.0 °F76.6 °F0.75 in.
August56.1 °F77.2 °F0.95 in.
September52.2 °F71.5 °F1.63 in.
October45.9 °F60.8 °F4.4 in.
November40.0 °F52.1 °F6.43 in.
December36.2 °F46.7 °F6.11 in.
Annual45.1 °F61 °F41.76 in.

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 : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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