Lake Forest California Climate Data

Monthly Average Climate Data for Lake Forest California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January46.2 °F67.9 °F2.9 in.
February46.3 °F67.8 °F3.74 in.
March47.9 °F69.7 °F2.17 in.
April49.9 °F72.0 °F0.9 in.
May54.2 °F73.7 °F0.32 in.
June57.7 °F77.7 °F0.15 in.
July61.3 °F83.2 °F0.1 in.
August61.9 °F85.1 °F0.02 in.
September60.3 °F84.4 °F0.12 in.
October55.9 °F79.4 °F0.63 in.
November49.8 °F73.3 °F1.04 in.
December45.5 °F67.2 °F2.43 in.
Annual53.1 °F75.1 °F14.52 in.

Climate Data for Lake Forest 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 10a : 30°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate