Happy Valley Oregon Climate Data

Monthly Average Climate Data for Happy Valley Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.0 °F45.9 °F6.7 in.
February35.4 °F49.5 °F4.79 in.
March37.5 °F54.4 °F5.53 in.
April40.4 °F60.3 °F4.13 in.
May45.4 °F67.9 °F3.47 in.
June49.6 °F72.9 °F2.31 in.
July53.3 °F81.0 °F0.61 in.
August53.7 °F81.7 °F0.57 in.
September50.1 °F75.4 °F1.97 in.
October44.5 °F63.0 °F4.74 in.
November39.0 °F51.7 °F7.07 in.
December34.7 °F45.2 °F7.48 in.
Annual43.2 °F62.4 °F49.37 in.

Climate Data for Happy Valley 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 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
2024 plantmaps.com