Port Townsend Washington Climate Data

Monthly Average Climate Data for Port Townsend Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.8 °C7.9 °C61.72 mm
February2.6 °C9 °C46.48 mm
March3.7 °C11.1 °C54.1 mm
April5.3 °C13.8 °C43.94 mm
May7.8 °C16.8 °C40.13 mm
June9.8 °C19.1 °C34.29 mm
July11.2 °C21.8 °C18.54 mm
August11.2 °C22.2 °C16 mm
September9.6 °C19.6 °C26.42 mm
October6.9 °C14.6 °C45.47 mm
November4.5 °C10.3 °C76.96 mm
December2.7 °C7.7 °C68.83 mm
Annual6.5 °C14.5 °C532.88 mm

Climate Data for Port Townsend Washington

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost40-50 Days
Plant Hardiness Zone - 2023Zone 9a : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 9a : -6.7°C to -3.9°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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