Coupeville Washington Climate Data

Monthly Average Climate Data for Coupeville Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.9 °F46.3 °F2.76 in.
February35.4 °F48.2 °F2.05 in.
March37.5 °F52.0 °F2.12 in.
April40.5 °F56.6 °F1.91 in.
May45.3 °F62.1 °F1.68 in.
June49.3 °F66.0 °F1.36 in.
July51.6 °F70.8 °F0.74 in.
August51.6 °F71.8 °F0.66 in.
September48.3 °F67.2 °F1.2 in.
October43.1 °F58.2 °F2.15 in.
November38.6 °F50.7 °F3.28 in.
December35.6 °F45.6 °F2.73 in.
Annual42.7 °F58 °F22.64 in.

Climate Data for Coupeville Washington

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost40-50 Days
Plant Hardiness Zone - 2023Zone 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate