Frost dates in San Francisco County, California
The average last spring frost in San Francisco County falls Dec 30 (prior Dec) to Jan 4 and the average first fall frost Dec 25 to Jan 2 (next year), depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 10a to 10b. Places: San Francisco. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 94102 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94103 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94104 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94105 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94107 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94108 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94109 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94110 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94111 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94112 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94114 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94115 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94116 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94117 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94118 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94121 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94122 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94123 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94124 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94127 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10a |
| 94129 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94130 | San Francisco | Jan 4 | Jan 2 (next year) | 10b |
| 94131 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94132 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94133 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94134 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94158 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
| 94188 | San Francisco | Dec 30 (prior Dec) | Dec 25 | 10b |
Nearby counties
Alameda County San Mateo County Marin County Contra Costa County Solano County Santa Clara County
All California counties · Download California frost dates (CSV)
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