McMillin Washington Climate Data

Monthly Average Climate Data for McMillin Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.8 °C8.7 °C156.97 mm
February1.7 °C10.2 °C101.35 mm
March3.1 °C12.4 °C116.84 mm
April4.9 °C15.2 °C89.15 mm
May8 °C19.1 °C59.94 mm
June10.6 °C21.6 °C50.8 mm
July12.4 °C25.3 °C21.34 mm
August12.4 °C25.6 °C27.43 mm
September10.1 °C22.3 °C39.88 mm
October6.7 °C16.2 °C111.25 mm
November3.6 °C11.2 °C169.16 mm
December1.5 °C8.1 °C157.23 mm
Annual6.4 °C16.3 °C1101.34 mm

Climate Data for McMillin Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
2024 plantmaps.com