Rowland Heights California Climate Data

Monthly Average Climate Data for Rowland Heights California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January45.7 °F68.9 °F3.69 in.
February46.5 °F69.1 °F4.2 in.
March48.5 °F71.6 °F2.52 in.
April50.6 °F75.1 °F0.8 in.
May55.0 °F78.4 °F0.36 in.
June58.6 °F83.8 °F0.12 in.
July62.3 °F90.4 °F0.06 in.
August63.0 °F92.4 °F0.01 in.
September61.4 °F90.0 °F0.16 in.
October56.6 °F83.2 °F0.64 in.
November49.9 °F74.9 °F0.86 in.
December44.9 °F68.2 °F2.68 in.
Annual53.6 °F78.8 °F16.1 in.

Climate Data for Rowland Heights California

Average First Frost DateJan. 21 - Jan. 31
Average Last Frost DateJan. 21 - Jan. 31
Average Days With FrostFrost Rare
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
2024 plantmaps.com