Deer Island Oregon Climate Data

Monthly Average Climate Data for Deer Island Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.4 °F46.7 °F6.28 in.
February35.3 °F50.6 °F4.62 in.
March38.1 °F55.5 °F4.77 in.
April41.1 °F61.3 °F3.6 in.
May46.7 °F68.6 °F2.62 in.
June50.8 °F73.2 °F1.77 in.
July55.1 °F81.0 °F0.4 in.
August55.1 °F82.2 °F0.7 in.
September50.6 °F76.2 °F1.72 in.
October44.1 °F63.8 °F3.76 in.
November38.9 °F52.5 °F6.46 in.
December35.2 °F45.9 °F7.31 in.
Annual43.9 °F63.1 °F44.01 in.

Climate Data for Deer Island Oregon

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
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 ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate