Frost dates in Santa Clara County, California
The average last spring frost in Santa Clara County falls Jan 2 to May 3 and the average first fall frost Nov 18 to Dec 25, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 10a to 9b. Places: Campbell, Cupertino, Gilroy, Los Altos, Los Altos Hills, Los Gatos. 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 |
|---|---|---|---|---|
| 94022 | Los Altos Hills | Mar 21 | Dec 15 | 9b |
| 94024 | Los Altos | Jan 6 | Dec 23 | 9b |
| 94040 | Mountain View | Jan 6 | Dec 23 | 9b |
| 94041 | Mountain View | Jan 6 | Dec 23 | 9b |
| 94043 | Mountain View | Jan 6 | Dec 23 | 10a |
| 94085 | Sunnyvale | Jan 6 | Dec 23 | 10a |
| 94086 | Sunnyvale | Jan 6 | Dec 23 | 9b |
| 94087 | Sunnyvale | Jan 6 | Dec 23 | 9b |
| 94089 | Sunnyvale | Jan 6 | Dec 23 | 10a |
| 94301 | Palo Alto | Feb 1 | Dec 7 | 9b |
| 94303 | Palo Alto | Feb 1 | Dec 7 | 10a |
| 94304 | Palo Alto | Feb 1 | Dec 7 | 9b |
| 94305 | Stanford | Feb 1 | Dec 7 | 9b |
| 94306 | Palo Alto | Feb 1 | Dec 7 | 9b |
| 95002 | San Jose | Jan 6 | Dec 23 | 10a |
| 95008 | Campbell | Feb 2 | Dec 6 | 9b |
| 95013 | San Jose | May 3 | Nov 18 | 9b |
| 95014 | Cupertino | Mar 21 | Dec 15 | 9b |
| 95020 | Gilroy | Feb 24 | Nov 27 | 9b |
| 95030 | Los Gatos | Feb 2 | Dec 6 | 9b |
| 95032 | Los Gatos | Feb 2 | Dec 6 | 9b |
| 95035 | Milpitas | Jan 12 | Dec 22 | 10a |
| 95037 | San Jose | Feb 24 | Nov 27 | 9b |
| 95046 | San Martin | Feb 24 | Nov 27 | 9b |
| 95050 | Santa Clara | Jan 12 | Dec 22 | 9b |
| 95051 | Santa Clara | Jan 12 | Dec 22 | 9b |
| 95053 | Santa Clara | Jan 12 | Dec 22 | 9b |
| 95054 | Santa Clara | Jan 12 | Dec 22 | 10a |
| 95070 | Saratoga | Feb 2 | Dec 6 | 9b |
| 95110 | San Jose | Jan 2 | Dec 25 | 10a |
| 95111 | San Jose | Jan 2 | Dec 25 | 9b |
| 95112 | San Jose | Jan 2 | Dec 25 | 9b |
| 95113 | San Jose | Jan 2 | Dec 25 | 9b |
| 95116 | San Jose | Jan 2 | Dec 25 | 9b |
| 95117 | San Jose | Jan 12 | Dec 22 | 9b |
| 95118 | San Jose | Feb 2 | Dec 6 | 9b |
| 95119 | San Jose | Feb 2 | Dec 6 | 9b |
| 95120 | San Jose | Feb 2 | Dec 6 | 9b |
| 95121 | San Jose | Jan 2 | Dec 25 | 9b |
| 95122 | San Jose | Jan 2 | Dec 25 | 9b |
| 95123 | San Jose | Feb 2 | Dec 6 | 9b |
| 95124 | San Jose | Feb 2 | Dec 6 | 9b |
| 95125 | San Jose | Jan 2 | Dec 25 | 9b |
| 95126 | San Jose | Jan 2 | Dec 25 | 9b |
| 95127 | San Jose | Jan 2 | Dec 25 | 9b |
| 95128 | San Jose | Jan 2 | Dec 25 | 9b |
| 95129 | San Jose | Jan 12 | Dec 22 | 9b |
| 95130 | San Jose | Feb 2 | Dec 6 | 9b |
| 95131 | San Jose | Jan 12 | Dec 22 | 10a |
| 95132 | San Jose | Jan 2 | Dec 25 | 9b |
| 95133 | San Jose | Jan 2 | Dec 25 | 9b |
| 95134 | San Jose | Jan 12 | Dec 22 | 10a |
| 95135 | San Jose | May 3 | Nov 18 | 9b |
| 95136 | San Jose | Jan 2 | Dec 25 | 9b |
| 95138 | San Jose | May 3 | Nov 18 | 9b |
| 95139 | San Jose | May 3 | Nov 18 | 9b |
| 95140 | May 3 | Nov 18 | 9b | |
| 95148 | San Jose | Jan 2 | Dec 25 | 9b |
Nearby counties
Santa Cruz County San Mateo County Alameda County San Francisco County Contra Costa County San Benito County
All California counties · Download California frost dates (CSV)
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