Burien Washington Climate Data

Monthly Average Climate Data for Burien Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.9 °F46.5 °F6.07 in.
February35.8 °F49.0 °F4.3 in.
March38.0 °F53.0 °F4.77 in.
April41.3 °F58.4 °F3.54 in.
May46.6 °F65.4 °F2.11 in.
June50.9 °F69.8 °F1.66 in.
July54.5 °F76.5 °F0.75 in.
August54.8 °F76.8 °F0.92 in.
September51.2 °F70.9 °F1.6 in.
October44.9 °F60.0 °F4.52 in.
November39.1 °F50.9 °F6.52 in.
December35.5 °F45.6 °F6.44 in.
Annual44 °F60.2 °F43.2 in.

Climate Data for Burien Washington

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost20-30 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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