Frost dates for California
In California, the typical last spring frost runs from Jan 11 in Santa Barbara to Jun 9 in Tahoe City. The typical first fall frost runs from Sep 25 in Tahoe City to Dec 22 in San Jose.
So far this fall, 0 of the 8 cities in California that file a daily climate report have logged a freeze.
NCEI U.S. Climate Normals 1991-2020, annual/seasonal (c20230404)
Frost dates by city in California
| City | Last spring | First fall | Season | This fall |
|---|---|---|---|---|
| Bakersfield | Jan 17 | Dec 15 | 334 days | No freeze yet |
| Eureka | Feb 22 | Dec 7 | 293 days | No freeze yet |
| Fresno | Jan 14 | Dec 14 | 337 days | No freeze yet |
| Los Angeles | Rarely freezes | No freeze yet | ||
| Monterey | Rarely freezes | No freeze yet | ||
| Oakland | Rarely freezes | No freeze yet | ||
| Oxnard | Rarely freezes | No daily report | ||
| Palm Springs | Rarely freezes | No freeze yet | ||
| Redding | Mar 3 | Nov 21 | 261 days | No freeze yet |
| Riverside | Rarely freezes | No freeze yet | ||
| Sacramento | Feb 2 | Dec 2 | 301 days | No freeze yet |
| San Diego | Rarely freezes | No freeze yet | ||
| San Francisco | Rarely freezes | No freeze yet | ||
| San Jose | Jan 12 | Dec 22 | 347 days | No freeze yet |
| San Luis Obispo | Jan 31 | Dec 11 | 319 days | No daily report |
| Santa Barbara | Jan 11 | Dec 16 | 342 days | No freeze yet |
| Santa Rosa | Mar 2 | Nov 20 | 262 days | No freeze yet |
| Tahoe City | Jun 9 | Sep 25 | 108 days | No daily report |
A typical date is the median: half of years have an earlier last spring frost, half a later one. An early year means 1 year in 10, and a late year means 1 year in 10. Dates come from the U.S. Climate Normals for 1991-2020, published by NOAA's National Centers for Environmental Information, using a daily low of 32F or below as a freeze.
Frost dates by ZIP code and city
The daily climate report is issued by the local National Weather Service forecast office and delivered to this page by the Iowa Environmental Mesonet of Iowa State University. Under 17 U.S.C. 105, no copyright attaches to the government-produced figures on this page, including reports, alerts, station observations, and normals, which were created by the National Weather Service and other NOAA offices. The notice that 17 U.S.C. 403 requires appears in this sentence. It does not imply endorsement by or affiliation with those agencies. See: Data sources and attribution.