Highland California Climate Data

Monthly Average Climate Data for Highland California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January42.6 °F66.6 °F2.74 in.
February43.3 °F66.8 °F3.45 in.
March46.1 °F70.4 °F2.29 in.
April48.8 °F74.8 °F0.92 in.
May53.5 °F79.9 °F0.37 in.
June57.6 °F87.6 °F0.09 in.
July62.9 °F94.7 °F0.08 in.
August63.8 °F95.8 °F0.09 in.
September61.1 °F92.2 °F0.16 in.
October54.3 °F82.3 °F0.58 in.
November47.0 °F73.6 °F0.88 in.
December41.7 °F65.7 °F2.26 in.
Annual51.9 °F79.2 °F13.91 in.

Climate Data for Highland California

Average First Frost DateDec. 11 - Dec. 20
Average Last Frost DateFeb. 21 - Feb. 29
Average Days With Frost20-30 Days
Plant Hardiness Zone - 2023Zone 10a : 30°F to 25°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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