Monmouth California Climate Data

Monthly Average Climate Data for Monmouth California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January37.9 °F56.2 °F2.25 in.
February40.7 °F62.1 °F1.94 in.
March43.5 °F68.3 °F1.83 in.
April46.5 °F74.1 °F0.92 in.
May53.2 °F82.3 °F0.44 in.
June58.7 °F90.6 °F0.12 in.
July64.0 °F96.5 °F0.03 in.
August62.7 °F95.7 °F0.0 in.
September58.1 °F90.7 °F0.09 in.
October50.5 °F80.1 °F0.47 in.
November41.8 °F66.4 °F0.87 in.
December36.6 °F56.3 °F1.72 in.
Annual49.5 °F76.6 °F10.68 in.

Climate Data for Monmouth California

Average First Frost DateDec. 11 - Dec. 20
Average Last Frost DateFeb. 11 - Feb. 20
Average Days With Frost10-20 Days
Plant Hardiness Zone - 2023Zone 9b : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
2024 plantmaps.com