Junction City Oregon Climate Data

Monthly Average Climate Data for Junction City Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.0 °F47.4 °F6.18 in.
February35.1 °F51.0 °F4.9 in.
March37.1 °F55.8 °F5.2 in.
April39.9 °F60.5 °F3.53 in.
May44.4 °F67.2 °F2.38 in.
June48.4 °F73.3 °F1.3 in.
July52.2 °F82.7 °F0.32 in.
August52.0 °F83.3 °F0.38 in.
September48.2 °F77.3 °F1.33 in.
October42.4 °F64.5 °F3.21 in.
November38.0 °F52.8 °F6.07 in.
December34.6 °F46.4 °F7.62 in.
Annual42.3 °F63.5 °F42.42 in.

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 : 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
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