Martha Lake Washington Climate Data

Monthly Average Climate Data for Martha Lake Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.9 °F46.0 °F5.73 in.
February36.0 °F48.4 °F4.38 in.
March38.4 °F52.3 °F4.75 in.
April41.6 °F56.6 °F3.67 in.
May46.8 °F63.3 °F2.56 in.
June50.5 °F67.2 °F2.07 in.
July54.2 °F73.1 °F0.94 in.
August54.9 °F74.0 °F1.09 in.
September51.4 °F68.6 °F2.07 in.
October45.5 °F58.5 °F4.15 in.
November39.2 °F50.4 °F6.86 in.
December35.7 °F45.4 °F5.99 in.
Annual44.2 °F58.7 °F44.26 in.

Climate Data for Martha Lake Washington

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost30-40 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