Dayton Oregon Climate Data

Monthly Average Climate Data for Dayton Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.7 °F47.3 °F6.8 in.
February35.9 °F51.1 °F4.92 in.
March37.9 °F55.8 °F4.65 in.
April40.8 °F60.7 °F3.42 in.
May45.9 °F68.1 °F2.14 in.
June50.0 °F73.7 °F1.33 in.
July53.6 °F82.5 °F0.28 in.
August53.5 °F83.0 °F0.4 in.
September49.7 °F76.7 °F1.31 in.
October43.8 °F64.0 °F3.59 in.
November38.8 °F53.0 °F6.46 in.
December35.1 °F46.5 °F7.94 in.
Annual43.4 °F63.5 °F43.24 in.

Climate Data for Dayton Oregon

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost50-75 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