Sunol California Climate Data

Monthly Average Climate Data for Sunol California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January40.8 °F58.0 °F3.8 in.
February42.8 °F61.3 °F3.84 in.
March44.9 °F64.8 °F2.99 in.
April47.0 °F68.5 °F1.61 in.
May50.9 °F73.7 °F0.69 in.
June54.2 °F80.0 °F0.2 in.
July56.9 °F84.8 °F0.0 in.
August57.2 °F84.7 °F0.03 in.
September55.7 °F82.7 °F0.1 in.
October51.3 °F76.4 °F0.89 in.
November44.8 °F65.2 °F1.93 in.
December40.6 °F58.2 °F3.67 in.
Annual48.9 °F71.5 °F19.75 in.

Climate Data for Sunol California

Average First Frost DateDec. 21 - Dec. 31
Average Last Frost DateFeb. 1 - Feb. 10
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 ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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