Sunol California Climate Data

Monthly Average Climate Data for Sunol California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January4.9 °C14.4 °C96.52 mm
February6 °C16.3 °C97.54 mm
March7.2 °C18.2 °C75.95 mm
April8.3 °C20.3 °C40.89 mm
May10.5 °C23.2 °C17.53 mm
June12.3 °C26.7 °C5.08 mm
July13.8 °C29.3 °C0 mm
August14 °C29.3 °C0.76 mm
September13.2 °C28.2 °C2.54 mm
October10.7 °C24.7 °C22.61 mm
November7.1 °C18.4 °C49.02 mm
December4.8 °C14.6 °C93.22 mm
Annual9.4 °C22 °C501.66 mm

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 : -3.9°C to -1.1°C
Plant Hardiness Zone - 2012Zone 9b : -3.9°C to -1.1°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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