Concord California Climate Data

Monthly Average Climate Data for Concord California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January39.9 °F56.5 °F3.64 in.
February41.5 °F60.8 °F3.59 in.
March44.3 °F65.5 °F2.5 in.
April47.0 °F69.4 °F1.43 in.
May51.2 °F75.6 °F0.59 in.
June54.9 °F82.3 °F0.16 in.
July57.1 °F86.5 °F0.0 in.
August56.9 °F86.7 °F0.02 in.
September55.5 °F84.1 °F0.07 in.
October51.0 °F76.4 °F0.74 in.
November43.8 °F64.9 °F1.68 in.
December39.4 °F56.7 °F3.3 in.
Annual48.5 °F72.1 °F17.72 in.

Climate Data for Concord California

Average First Frost DateDec. 11 - Dec. 20
Average Last Frost DateFeb. 21 - Feb. 29
Average Days With Frost10-20 Days
Plant Hardiness Zone - 2023Zone 9b : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate