Monrovia California Climate Data

Monthly Average Climate Data for Monrovia California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January46.5 °F69.0 °F4.35 in.
February47.0 °F69.3 °F4.84 in.
March49.0 °F71.8 °F3.15 in.
April51.4 °F75.3 °F1.01 in.
May55.3 °F78.0 °F0.55 in.
June58.7 °F83.5 °F0.19 in.
July62.5 °F89.9 °F0.07 in.
August63.2 °F92.3 °F0.02 in.
September61.8 °F89.6 °F0.18 in.
October57.1 °F82.8 °F0.72 in.
November50.6 °F75.1 °F0.99 in.
December45.6 °F68.1 °F2.99 in.
Annual54.1 °F78.7 °F19.06 in.

Climate Data for Monrovia California

Average First Frost DateJan. 1 - Jan. 10
Average Last Frost DateFeb. 1 - Feb. 10
Average Days With Frost5-10 Days
Plant Hardiness Zone - 2023Zone 10a : 30°F to 25°F
Plant Hardiness Zone - 2012Zone 10a : 30°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate