National City California Climate Data

Monthly Average Climate Data for National City California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January47.8 °F66.3 °F1.76 in.
February48.8 °F65.9 °F2.34 in.
March51.2 °F66.3 °F1.54 in.
April53.7 °F68.1 °F0.71 in.
May57.8 °F69.4 °F0.23 in.
June60.7 °F71.0 °F0.05 in.
July64.0 °F74.3 °F0.06 in.
August65.1 °F76.5 °F0.02 in.
September63.6 °F76.6 °F0.1 in.
October58.3 °F74.3 °F0.38 in.
November52.2 °F71.0 °F0.75 in.
December46.9 °F65.8 °F1.68 in.
Annual55.8 °F70.5 °F9.62 in.

Climate Data for National City California

Average First Frost DateNo Frost
Average Last Frost DateFrost Rare
Average Days With FrostFrost Free
Plant Hardiness Zone - 2023Zone 10b : 35°F to 30°F
Plant Hardiness Zone - 2012Zone 10b : 35°F to 30°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate