Grants Pass Oregon Climate Data

Monthly Average Climate Data for Grants Pass Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January33.9 °F47.9 °F5.35 in.
February34.5 °F54.2 °F4.0 in.
March36.2 °F59.4 °F3.78 in.
April39.4 °F64.9 °F2.31 in.
May44.6 °F73.7 °F1.29 in.
June49.6 °F80.6 °F0.69 in.
July55.0 °F89.8 °F0.36 in.
August53.8 °F90.0 °F0.24 in.
September47.6 °F83.5 °F0.61 in.
October40.8 °F69.4 °F2.17 in.
November37.7 °F54.2 °F4.58 in.
December34.1 °F45.9 °F6.88 in.
Annual42.3 °F67.8 °F32.26 in.

Climate Data for Grants Pass Oregon

Average First Frost DateOct. 11 - Oct. 20
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