Martha Lake Washington Climate Data

Monthly Average Climate Data for Martha Lake Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.2 °C7.8 °C145.54 mm
February2.2 °C9.1 °C111.25 mm
March3.6 °C11.3 °C120.65 mm
April5.3 °C13.7 °C93.22 mm
May8.2 °C17.4 °C65.02 mm
June10.3 °C19.6 °C52.58 mm
July12.3 °C22.8 °C23.88 mm
August12.7 °C23.3 °C27.69 mm
September10.8 °C20.3 °C52.58 mm
October7.5 °C14.7 °C105.41 mm
November4 °C10.2 °C174.24 mm
December2.1 °C7.4 °C152.15 mm
Annual6.8 °C14.8 °C1124.21 mm

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 : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate