Palo Alto California Climate Data

Monthly Average Climate Data for Palo Alto California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January42.2 °F58.4 °F3.06 in.
February44.1 °F61.2 °F3.52 in.
March46.2 °F64.4 °F2.18 in.
April47.8 °F67.8 °F1.08 in.
May51.4 °F71.7 °F0.46 in.
June54.2 °F76.4 °F0.13 in.
July56.8 °F78.1 °F0.0 in.
August57.0 °F78.2 °F0.03 in.
September55.7 °F78.0 °F0.06 in.
October52.0 °F73.7 °F0.6 in.
November46.0 °F64.5 °F1.5 in.
December41.9 °F58.5 °F3.27 in.
Annual49.6 °F69.2 °F15.89 in.

Climate Data for Palo Alto 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