Monmouth California Climate Data

Monthly Average Climate Data for Monmouth California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January3.3 °C13.4 °C57.15 mm
February4.8 °C16.7 °C49.28 mm
March6.4 °C20.2 °C46.48 mm
April8.1 °C23.4 °C23.37 mm
May11.8 °C27.9 °C11.18 mm
June14.8 °C32.6 °C3.05 mm
July17.8 °C35.8 °C0.76 mm
August17.1 °C35.4 °C0 mm
September14.5 °C32.6 °C2.29 mm
October10.3 °C26.7 °C11.94 mm
November5.4 °C19.1 °C22.1 mm
December2.6 °C13.5 °C43.69 mm
Annual9.7 °C24.8 °C271.29 mm

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 : -3.9°C to -1.1°C
Plant Hardiness Zone - 2012Zone 9b : -3.9°C to -1.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
2024 plantmaps.com