Dexter Oregon Climate Data

Monthly Average Climate Data for Dexter Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January34.7 °F47.9 °F5.92 in.
February35.1 °F51.7 °F4.75 in.
March36.9 °F56.1 °F5.15 in.
April39.8 °F60.1 °F4.42 in.
May44.4 °F66.7 °F3.24 in.
June48.5 °F72.3 °F1.84 in.
July52.3 °F80.8 °F0.45 in.
August51.9 °F81.6 °F0.47 in.
September48.4 °F76.2 °F1.57 in.
October43.1 °F64.5 °F3.63 in.
November38.5 °F53.1 °F6.75 in.
December34.6 °F46.6 °F7.18 in.
Annual42.4 °F63.1 °F45.37 in.

Climate Data for Dexter Oregon

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost40-50 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate