California frost dates by city
| City | Last frost (50%) | Safer date (10%) | First frost (50%) | Season |
|---|---|---|---|---|
| Bakersfield | Frost uncommon | |||
| Fresno | Frost uncommon | |||
| Los Angeles | Frost uncommon | |||
| Sacramento | Feb 22 | Apr 1 | Nov 24 | 277 days |
| San Diego | Frost uncommon | |||
| San Francisco | Frost uncommon | |||
| San Jose | Frost uncommon | |||
Each city uses its nearest major NOAA weather station, usually the airport. Valleys, hilltops and rural spots can differ from it by one to three weeks. How to read these dates.