Frost dates in Ventura County, California
The average last spring frost in Ventura County falls Dec 29 (prior Dec) to Apr 15 and the average first fall frost Nov 4 to Jan 1 (next year), depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 10a to 9b. Places: Camarillo, Fillmore, Frazier Park, Maricopa, Mira Monte, Moorpark. 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 |
|---|---|---|---|---|
| 91320 | Thousand Oaks | Dec 31 (prior Dec) | Dec 28 | 10a |
| 91360 | Thousand Oaks | Dec 31 (prior Dec) | Dec 28 | 10a |
| 91361 | Thousand Oaks | Dec 31 (prior Dec) | Dec 28 | 10b |
| 91362 | Thousand Oaks | Jan 24 | Dec 15 | 10b |
| 91377 | Oak Park | Jan 24 | Dec 15 | 10b |
| 93001 | San Buenaventura (Ventura) | Mar 21 | Nov 15 | 10a |
| 93003 | San Buenaventura (Ventura) | Dec 31 (prior Dec) | Dec 28 | 10a |
| 93004 | San Buenaventura (Ventura) | Dec 31 (prior Dec) | Dec 28 | 10a |
| 93010 | Camarillo | Dec 31 (prior Dec) | Dec 28 | 10a |
| 93012 | Camarillo | Dec 31 (prior Dec) | Dec 28 | 10a |
| 93015 | Fillmore | Jan 8 | Jan 1 (next year) | 10a |
| 93021 | Moorpark | Dec 31 (prior Dec) | Dec 28 | 10a |
| 93022 | Oak View | Mar 21 | Nov 15 | 9b |
| 93023 | Mira Monte | Mar 21 | Nov 15 | 8b |
| 93030 | Oxnard | Dec 31 (prior Dec) | Dec 28 | 10b |
| 93033 | Oxnard | Dec 29 (prior Dec) | Dec 24 | 10b |
| 93035 | Oxnard | Dec 29 (prior Dec) | Dec 24 | 10b |
| 93036 | Oxnard | Dec 31 (prior Dec) | Dec 28 | 10a |
| 93040 | Mar 21 | Nov 15 | 8b | |
| 93041 | Port Hueneme | Dec 29 (prior Dec) | Dec 24 | 10b |
| 93042 | Dec 29 (prior Dec) | Dec 24 | 10b | |
| 93043 | Port Hueneme | Dec 29 (prior Dec) | Dec 24 | 10b |
| 93060 | Santa Paula | Mar 21 | Nov 15 | 10a |
| 93063 | Simi Valley | Jan 8 | Jan 1 (next year) | 10a |
| 93064 | Jan 24 | Dec 15 | 10a | |
| 93065 | Simi Valley | Jan 24 | Dec 15 | 10a |
| 93066 | Somis | Dec 31 (prior Dec) | Dec 28 | 10a |
| 93225 | Frazier Park | Apr 15 | Nov 26 | 7b |
| 93252 | Maricopa | Apr 15 | Nov 4 | 8b |
Nearby counties
Los Angeles County Santa Barbara County Kern County Orange County San Bernardino County San Luis Obispo County
All California counties · Download California frost dates (CSV)
Never miss a frost: get The Dial
Weekly yard timing, plus frost and soil-temperature alerts for your ZIP code.
- Freeze alerts
- Soil-temp heads-up
- Weekly yard to-dos
Free. One weekly email plus alerts when your ZIP has a frost or a soil-temperature change worth acting on. After you submit, Kit (our email provider) sends a confirmation email: check your email and click the link to confirm. You aren't subscribed until you do. We collect only your email address and ZIP, sent to Kit to deliver The Dial. Unsubscribe anytime.