American Canyon California Climate Data

Monthly Average Climate Data for American Canyon California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January40.0 °F56.6 °F4.47 in.
February41.6 °F60.7 °F4.3 in.
March43.4 °F64.8 °F3.02 in.
April45.4 °F69.0 °F1.44 in.
May49.1 °F73.5 °F0.8 in.
June52.2 °F76.8 °F0.14 in.
July54.3 °F81.0 °F0.0 in.
August54.4 °F81.1 °F0.03 in.
September52.8 °F81.4 °F0.07 in.
October49.6 °F75.4 °F1.04 in.
November44.0 °F64.8 °F2.27 in.
December40.2 °F56.7 °F4.16 in.
Annual47.3 °F70.2 °F21.74 in.

Climate Data for American Canyon California

Average First Frost DateDec. 21 - Dec. 31
Average Last Frost DateFeb. 11 - Feb. 20
Average Days With Frost5-10 Days
Plant Hardiness Zone - 2023Zone 9b : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate