Marrowstone Washington Climate Data

Monthly Average Climate Data for Marrowstone Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January36.9 °F46.3 °F2.98 in.
February36.4 °F48.2 °F2.2 in.
March38.3 °F51.9 °F2.74 in.
April41.3 °F56.5 °F2.04 in.
May45.7 °F61.8 °F1.68 in.
June49.5 °F65.4 °F1.5 in.
July51.8 °F71.0 °F0.81 in.
August51.9 °F72.2 °F0.7 in.
September49.0 °F66.6 °F1.19 in.
October44.1 °F57.8 °F2.14 in.
November39.8 °F50.7 °F3.54 in.
December36.6 °F45.8 °F3.32 in.
Annual43.4 °F57.9 °F24.84 in.

Climate Data for Marrowstone 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 8b : 15°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate