Glendora California Climate Data

Monthly Average Climate Data for Glendora California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January45.5 °F68.3 °F4.43 in.
February46.0 °F68.7 °F4.9 in.
March47.9 °F71.4 °F3.17 in.
April50.2 °F74.3 °F0.98 in.
May54.4 °F77.8 °F0.57 in.
June58.0 °F82.7 °F0.19 in.
July62.0 °F89.3 °F0.08 in.
August62.8 °F91.1 °F0.01 in.
September61.2 °F89.0 °F0.18 in.
October56.2 °F82.2 °F0.81 in.
November49.6 °F74.7 °F1.03 in.
December44.8 °F67.5 °F3.02 in.
Annual53.2 °F78.1 °F19.37 in.

Climate Data for Glendora California

Average First Frost DateJan. 11 - Jan. 20
Average Last Frost DateFeb. 11 - Feb. 20
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