Lyman Washington Climate Data

Monthly Average Climate Data for Lyman Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.1 °C7.1 °C150.62 mm
February1.2 °C8.8 °C96.77 mm
March2.6 °C11.4 °C123.7 mm
April4.7 °C15.1 °C90.93 mm
May7.6 °C18.8 °C76.71 mm
June9.9 °C20.9 °C58.17 mm
July11.3 °C24.5 °C30.48 mm
August11.3 °C25 °C33.27 mm
September9.2 °C22 °C61.47 mm
October5.9 °C15.8 °C124.97 mm
November3.2 °C9.9 °C196.34 mm
December1.1 °C6.7 °C142.75 mm
Annual42.4 °C59.9 °C46.7 mm

Climate Data for Lyman Washington

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost50-75 Days
Plant Hardiness ZoneZone 8a : -12.2°C to -9.4°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate