Wallowa Oregon Climate Data

Monthly Average Climate Data for Wallowa Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.8 °F36.8 °F1.68 in.
February23.4 °F43.1 °F1.52 in.
March28.1 °F51.2 °F1.53 in.
April32.3 °F58.7 °F1.61 in.
May38.8 °F68.0 °F2.06 in.
June43.7 °F75.1 °F1.56 in.
July47.7 °F86.2 °F0.55 in.
August46.5 °F87.0 °F0.84 in.
September39.7 °F77.9 °F0.74 in.
October32.3 °F62.9 °F1.46 in.
November26.6 °F46.4 °F2.04 in.
December21.3 °F36.7 °F2.06 in.
Annual33.5 °F60.8 °F17.65 in.

Climate Data for Wallowa Oregon

Average First Frost DateAug. 21 - Aug. 31
Average Last Frost DateJun. 21 - Jun. 30
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2024 plantmaps.com