Downey California Climate Data

Monthly Average Climate Data for Downey California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January47.2 °F67.7 °F3.22 in.
February48.5 °F67.6 °F3.51 in.
March50.9 °F68.9 °F2.24 in.
April53.1 °F72.9 °F0.76 in.
May57.2 °F74.6 °F0.24 in.
June60.7 °F77.9 °F0.07 in.
July63.9 °F82.9 °F0.05 in.
August64.5 °F84.7 °F0.01 in.
September63.1 °F83.8 °F0.11 in.
October58.5 °F79.5 °F0.51 in.
November51.7 °F72.8 °F0.83 in.
December46.7 °F67.3 °F2.27 in.
Annual55.5 °F75.1 °F13.82 in.

Climate Data for Downey California

Average First Frost DateNo Frost
Average Last Frost Date
Average Days With FrostFrost Free
Plant Hardiness Zone - 2023Zone 10b : 35°F to 30°F
Plant Hardiness Zone - 2012Zone 10b : 35°F to 30°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate