Barstow California Climate Data

Monthly Average Climate Data for Barstow California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January34.4 °F60.0 °F0.68 in.
February37.5 °F64.0 °F0.81 in.
March42.1 °F70.3 °F0.52 in.
April48.1 °F76.7 °F0.22 in.
May55.2 °F85.7 °F0.07 in.
June63.1 °F96.2 °F0.02 in.
July69.5 °F101.5 °F0.32 in.
August69.0 °F100.9 °F0.13 in.
September61.4 °F93.8 °F0.14 in.
October50.9 °F81.9 °F0.27 in.
November39.7 °F68.3 °F0.3 in.
December33.0 °F58.6 °F0.76 in.
Annual50.3 °F79.8 °F4.24 in.

Climate Data for Barstow California

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 11 - Mar. 20
Average Days With Frost30-40 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 9a : 20°F to 25°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate