Frost dates in Imperial County, California
The average last spring frost in Imperial County falls Jan 3 to Feb 5 and the average first fall frost Dec 17 to Jan 4 (next year), depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 10a to 9b. Places: Bombay Beach, Brawley, Calexico, Calipatria, El Centro, Heber. 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 |
|---|---|---|---|---|
| 92222 | Jan 8 | Dec 28 | 10a | |
| 92227 | Brawley | Jan 16 | Dec 19 | 10a |
| 92231 | Calexico | Jan 3 | Dec 27 | 10a |
| 92233 | Calipatria | Jan 16 | Dec 19 | 9b |
| 92243 | El Centro | Jan 3 | Dec 27 | 10a |
| 92249 | Heber | Jan 3 | Dec 27 | 10a |
| 92250 | Holtville | Jan 3 | Dec 27 | 10a |
| 92251 | Imperial | Jan 6 | Dec 21 | 10a |
| 92257 | Bombay Beach | Feb 5 | Dec 17 | 9b |
| 92259 | Ocotillo | Jan 6 | Dec 21 | 10a |
| 92266 | Palo Verde | Jan 5 | Dec 21 | 10a |
| 92273 | Seeley | Jan 6 | Dec 21 | 10a |
| 92275 | Salton City | Jan 7 | Jan 4 (next year) | 10a |
| 92281 | Westmorland | Jan 16 | Dec 19 | 9b |
| 92283 | Winterhaven | Jan 8 | Dec 28 | 10a |
Nearby counties
San Diego County Riverside County San Bernardino County Orange County Los Angeles County Ventura County
All California counties · Download California frost dates (CSV)
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