Rocklin California Climate Data

Monthly Average Climate Data for Rocklin California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January39.0 °F55.8 °F5.01 in.
February41.0 °F60.6 °F4.7 in.
March44.0 °F65.5 °F3.73 in.
April46.4 °F71.5 °F1.96 in.
May52.0 °F79.8 °F1.23 in.
June57.6 °F88.3 °F0.25 in.
July61.5 °F94.7 °F0.02 in.
August60.6 °F94.1 °F0.04 in.
September57.2 °F89.0 °F0.18 in.
October50.4 °F78.5 °F1.22 in.
November42.9 °F64.6 °F2.52 in.
December38.5 °F56.0 °F4.59 in.
Annual49.3 °F74.9 °F25.45 in.

Climate Data for Rocklin California

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 21 - Mar. 31
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