Mukilteo Washington Climate Data

Monthly Average Climate Data for Mukilteo Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.7 °F46.7 °F4.89 in.
February35.9 °F49.5 °F3.52 in.
March37.9 °F53.4 °F4.18 in.
April41.4 °F58.7 °F3.19 in.
May46.3 °F65.2 °F2.29 in.
June50.4 °F69.0 °F2.05 in.
July53.2 °F74.6 °F0.91 in.
August53.2 °F75.3 °F0.93 in.
September49.9 °F70.3 °F1.7 in.
October44.5 °F60.2 °F3.65 in.
November39.3 °F51.2 °F5.76 in.
December35.7 °F45.8 °F5.06 in.
Annual43.6 °F60 °F38.13 in.

Climate Data for Mukilteo 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 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate