Lamont Washington Climate Data

Monthly Average Climate Data for Lamont Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.3 °C2.4 °C53.59 mm
February-3.3 °C5.5 °C35.81 mm
March-1.1 °C10.3 °C41.91 mm
April1.3 °C14.9 °C31.5 mm
May4.9 °C20.2 °C34.29 mm
June8.2 °C23.9 °C29.72 mm
July10.8 °C30.1 °C13.21 mm
August10.7 °C29.8 °C10.92 mm
September6.5 °C24.4 °C12.19 mm
October1.7 °C16.1 °C32.51 mm
November-1.7 °C7.3 °C50.29 mm
December-4.6 °C2 °C56.13 mm
Annual2.4 °C15.6 °C402.07 mm

Climate Data for Lamont Washington

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate