Sequim Washington Climate Data

Monthly Average Climate Data for Sequim Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January36.0 °F46.1 °F2.26 in.
February35.8 °F48.0 °F1.55 in.
March37.6 °F51.8 °F1.6 in.
April40.4 °F56.8 °F1.22 in.
May45.0 °F62.4 °F1.07 in.
June49.3 °F66.5 °F1.07 in.
July52.0 °F71.5 °F0.56 in.
August52.0 °F72.1 °F0.53 in.
September48.5 °F67.8 °F0.81 in.
October43.6 °F59.0 °F1.51 in.
November39.0 °F50.5 °F2.64 in.
December35.7 °F45.9 °F2.39 in.
Annual42.9 °F58.2 °F17.21 in.

Climate Data for Sequim Washington

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost75-100 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