Shoreline Washington Climate Data

Monthly Average Climate Data for Shoreline Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.2 °C7.9 °C133.35 mm
February2.1 °C9.2 °C98.04 mm
March3.4 °C11.4 °C105.41 mm
April5.2 °C14.3 °C84.58 mm
May8.1 °C18.2 °C54.1 mm
June10.3 °C20.4 °C45.72 mm
July12.3 °C23.8 °C21.34 mm
August12.7 °C24.2 °C25.65 mm
September10.7 °C20.8 °C45.72 mm
October7.3 °C15.4 °C99.82 mm
November3.9 °C10.3 °C162.31 mm
December2 °C7.5 °C140.72 mm
Annual6.7 °C15.3 °C1016.76 mm

Climate Data for Shoreline 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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