Frost dates in Solano County, California
The average last spring frost in Solano County falls Jan 12 to Mar 5 and the average first fall frost Nov 21 to Dec 27, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 9b. Places: Benicia, Dixon, Elmira, Fairfield, Rio Vista, Suisun City. 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 |
|---|---|---|---|---|
| 94510 | Benicia | Feb 28 | Nov 22 | 9b |
| 94512 | Jan 12 | Dec 19 | 9b | |
| 94533 | Fairfield | Jan 15 | Dec 14 | 9b |
| 94534 | Fairfield | Jan 15 | Dec 14 | 9b |
| 94535 | Fairfield | Jan 15 | Dec 14 | 9b |
| 94571 | Rio Vista | Jan 12 | Dec 19 | 9b |
| 94585 | Suisun City | Jan 15 | Dec 14 | 9b |
| 94589 | Vallejo | Mar 5 | Nov 21 | 9b |
| 94590 | Vallejo | Mar 5 | Nov 21 | 9b |
| 94591 | Vallejo | Jan 17 | Dec 27 | 9b |
| 94592 | Vallejo | Mar 5 | Nov 21 | 9b |
| 95620 | Dixon | Feb 10 | Dec 1 | 9b |
| 95625 | Elmira | Feb 18 | Nov 28 | 9b |
| 95687 | Vacaville | Feb 18 | Nov 28 | 9b |
| 95688 | Vacaville | Jan 31 | Dec 11 | 9b |
Nearby counties
Contra Costa County Napa County Alameda County Yolo County Marin County San Francisco 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.