Last frost date in Vacaville, California
February 18
Average last frost in spring. In an early year (1 in 10) it's over by January 11; in a late year (1 in 10) it comes after March 25.
November 28
Average first frost in fall. 1 year in 10 it comes by November 12.
Source: NOAA U.S. Climate Normals 1991–2020, station Vacaville Nut Tree AP (USW00093241), 1.4 miles from Vacaville, elevation 109 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Jan 11 | Feb 18 | Mar 25 |
| First frost in fall | Nov 12 | Nov 28 | Dec 18 |
Frost-free days in an average year: 283
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Mar 28 | Nov 13 |
| Frost (32°F) | Every year | Feb 18 | Nov 28 |
| Hard freeze (28°F) | 9 years in 10 | Jan 15 | Dec 10 |
Nights at 32°F or colder in an average year: 21
What to plant now in Vacaville
- Swiss chardJune 1 – Nov 1Now
- Celery and celeriac plantsAug 1 – Dec 1Now
- BeetsSept 1 – Dec 15Now
- Cabbage plantsSept 1 – Dec 31Now
- Chinese cabbageSept 1 – Nov 1Now
- Collards plantsSept 1 – Dec 1Now
- EndiveSept 1 – Nov 15Now
- Florence fennelSept 1 – Nov 15Now
- GarlicSept 1 – Nov 15Now
- Head lettuce plantsSept 1 – Dec 1Now
- KaleSept 1 – Dec 1Now
- KohlrabiSept 1 – Dec 1Now
- Leaf lettuceSept 1 – Dec 1Now
- LeeksSept 1 – Nov 1Now
- Mustard greensSept 1 – Dec 1Now
- Onion seedSept 1 – Nov 1Now
- ParsleySept 1 – Dec 31Now
- ParsnipsSept 1 – Nov 15Now
- RadishesSept 1 – Dec 31Now
- RutabagaSept 1 – Nov 15Now
- SorrelSept 1 – Nov 15Now
- TurnipsSept 1 – Nov 15Now
- CarrotsSept 15 – Dec 1Now
- DandelionSept 15 – Dec 15Now
- Corn saladOct 1 – Dec 31Now
- Garden peasOct 1 – Dec 31Now
- Onion plants plantsOct 1 – Dec 31Now
- SpinachOct 1 – Dec 31Now
- Upland cressOct 1 – Dec 31Now
- Chervil and chivesNov 1 – Dec 31Soon
- Onion setsNov 1 – Dec 31Soon
- Spring planting calendar for an average last frost around February 18 Vacaville: February 18
- Fall planting calendar for an average first frost around November 30 Vacaville: November 28
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in California
- Fairfield 8 mi · last frost Jan 15
- Napa 18 mi · last frost Feb 12
- Davis 18 mi · last frost Feb 10
- American Canyon 20 mi · last frost Mar 5
- Vallejo 24 mi · last frost Jan 17
Updated