Farmington Washington Climate Data

Monthly Average Climate Data for Farmington Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.7 °C2.7 °C81.53 mm
February-3.3 °C4.8 °C59.18 mm
March-1.2 °C8.9 °C65.02 mm
April1.3 °C13.2 °C52.07 mm
May4.7 °C18.4 °C57.15 mm
June7.4 °C21.7 °C41.91 mm
July9.3 °C28 °C15.75 mm
August9.2 °C28.7 °C14.99 mm
September5.8 °C23.4 °C19.3 mm
October1.8 °C15.2 °C50.29 mm
November-1.2 °C6.7 °C74.42 mm
December-4.2 °C1.9 °C82.8 mm
Annual2.2 °C14.5 °C614.41 mm

Climate Data for Farmington Washington

Average First Frost DateSep.11 - Sep. 20
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 6a : -23.3°C to -20.6°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
2024 plantmaps.com