Discovery Bay California Climate Data

Monthly Average Climate Data for Discovery Bay California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January39.8 °F55.4 °F2.84 in.
February42.5 °F60.5 °F2.55 in.
March45.5 °F65.8 °F1.84 in.
April48.6 °F70.4 °F1.06 in.
May53.1 °F77.3 °F0.55 in.
June57.3 °F84.6 °F0.15 in.
July59.3 °F89.3 °F0.0 in.
August59.4 °F88.7 °F0.02 in.
September57.5 °F85.6 °F0.07 in.
October51.8 °F77.3 °F0.67 in.
November43.9 °F64.8 °F1.38 in.
December39.3 °F55.8 °F2.61 in.
Annual49.8 °F73 °F13.74 in.

Climate Data for Discovery Bay California

Average First Frost DateDec. 11 - Dec. 20
Average Last Frost DateFeb. 11 - Feb. 20
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