Granite Bay California Climate Data

Monthly Average Climate Data for Granite Bay California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January39.2 °F55.7 °F4.82 in.
February41.1 °F60.2 °F4.7 in.
March44.1 °F65.0 °F3.9 in.
April46.4 °F70.8 °F2.11 in.
May51.8 °F79.1 °F1.43 in.
June57.7 °F87.6 °F0.3 in.
July61.7 °F94.1 °F0.01 in.
August60.9 °F93.8 °F0.03 in.
September57.6 °F88.4 °F0.16 in.
October50.9 °F77.8 °F1.37 in.
November43.3 °F64.3 °F2.62 in.
December38.7 °F55.9 °F4.88 in.
Annual49.5 °F74.4 °F26.33 in.

Climate Data for Granite Bay California

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 11 - Mar. 20
Average Days With Frost20-30 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 ClassificationCsa - Hot-Summer Mediterranean Climate