Byron California Climate Data

Monthly Average Climate Data for Byron California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January4.4 °C13.1 °C68.07 mm
February5.9 °C15.8 °C61.21 mm
March7.6 °C18.8 °C43.43 mm
April9.3 °C21.7 °C24.13 mm
May11.8 °C25.6 °C13.46 mm
June14.1 °C29.8 °C3.3 mm
July15.2 °C32.2 °C0 mm
August15.2 °C32.2 °C0.51 mm
September14.2 °C30.1 °C1.78 mm
October11.1 °C25.4 °C16.76 mm
November6.7 °C18.2 °C34.04 mm
December4.2 °C13.2 °C64.01 mm
Annual10 °C23 °C330.7 mm

Climate Data for Byron California

Average First Frost DateDec. 11 - Dec. 20
Average Last Frost DateFeb. 11 - Feb. 20
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 ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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