Troutdale Oregon Climate Data

Monthly Average Climate Data for Troutdale Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.3 °C7.8 °C167.64 mm
February2.7 °C10.1 °C115.32 mm
March3.9 °C13.2 °C128.78 mm
April5.9 °C16.2 °C100.33 mm
May8.9 °C20.2 °C77.22 mm
June11.3 °C22.9 °C60.2 mm
July13.6 °C27.3 °C19.05 mm
August13.7 °C27.7 °C17.53 mm
September11.3 °C24.2 °C42.93 mm
October8 °C17.7 °C110.24 mm
November4.8 °C11.4 °C184.4 mm
December2.3 °C7.6 °C183.39 mm
Annual7.4 °C17.2 °C1207.03 mm

Climate Data for Troutdale Oregon

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost30-40 Days
Plant Hardiness Zone - 2023Zone 9a : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate