Leavenworth Washington Climate Data

Monthly Average Climate Data for Leavenworth Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.8 °C1.7 °C80.52 mm
February-3.7 °C5.9 °C62.23 mm
March-0.7 °C11.2 °C57.91 mm
April2.3 °C16.6 °C23.11 mm
May6.5 °C22 °C24.38 mm
June9.9 °C25.4 °C18.29 mm
July13.2 °C30.7 °C6.6 mm
August12.8 °C30.7 °C8.89 mm
September8.2 °C25.7 °C12.95 mm
October2.8 °C17 °C53.34 mm
November-1.4 °C7.3 °C84.07 mm
December-4.8 °C1.5 °C98.04 mm
Annual3.4 °C16.3 °C530.33 mm

Climate Data for Leavenworth Washington

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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