Junction City Oregon Climate Data

Monthly Average Climate Data for Junction City Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.7 °C8.6 °C156.97 mm
February1.7 °C10.6 °C124.46 mm
March2.8 °C13.2 °C132.08 mm
April4.4 °C15.8 °C89.66 mm
May6.9 °C19.6 °C60.45 mm
June9.1 °C22.9 °C33.02 mm
July11.2 °C28.2 °C8.13 mm
August11.1 °C28.5 °C9.65 mm
September9 °C25.2 °C33.78 mm
October5.8 °C18.1 °C81.53 mm
November3.3 °C11.6 °C154.18 mm
December1.4 °C8 °C193.55 mm
Annual5.7 °C17.5 °C1077.46 mm

Climate Data for Junction City Oregon

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost40-50 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°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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