Port Townsend Washington Climate Data

Monthly Average Climate Data for Port Townsend Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January37.1 °F46.3 °F2.43 in.
February36.7 °F48.2 °F1.83 in.
March38.6 °F52.0 °F2.13 in.
April41.6 °F56.8 °F1.73 in.
May46.0 °F62.3 °F1.58 in.
June49.7 °F66.4 °F1.35 in.
July52.1 °F71.2 °F0.73 in.
August52.2 °F71.9 °F0.63 in.
September49.2 °F67.3 °F1.04 in.
October44.5 °F58.2 °F1.79 in.
November40.1 °F50.6 °F3.03 in.
December36.9 °F45.8 °F2.71 in.
Annual43.7 °F58.1 °F20.98 in.

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 : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 9a : 20°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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