Winston Oregon Climate Data

Monthly Average Climate Data for Winston Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.9 °C9.7 °C120.14 mm
February2.2 °C12.2 °C106.43 mm
March3.1 °C14.9 °C95 mm
April4.7 °C17.4 °C62.74 mm
May7.4 °C21.6 °C49.02 mm
June10.1 °C25.3 °C25.15 mm
July12.4 °C30.1 °C5.84 mm
August12.1 °C30.5 °C8.38 mm
September9.4 °C27.3 °C22.61 mm
October6.1 °C19.8 °C60.2 mm
November4.2 °C12.7 °C128.02 mm
December1.9 °C8.8 °C169.93 mm
Annual6.3 °C19.2 °C853.46 mm

Climate Data for Winston 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 : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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