Last frost date in San Marcos, Texas
February 28
Average last frost in spring. In an early year (1 in 10) it's over by February 1; in a late year (1 in 10) it comes after March 21.
November 29
Average first frost in fall. 1 year in 10 it comes by November 8.
Source: NOAA U.S. Climate Normals 1991–2020, station San Marcos (USC00417983), 1 miles from San Marcos, elevation 665 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Kyle, so its frost dates are the same as San Marcos's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Feb 1 | Feb 28 | Mar 21 |
| First frost in fall | Nov 8 | Nov 29 | Dec 21 |
Frost-free days in an average year: 273
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Mar 14 | Nov 16 |
| Frost (32°F) | Every year | Feb 28 | Nov 29 |
| Hard freeze (28°F) | 10 years in 10 | Feb 13 | Dec 15 |
Nights at 32°F or colder in an average year: 20
What to plant now in San Marcos
- 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 28 San Marcos: February 28
- Fall planting calendar for an average first frost around November 30 San Marcos: November 29
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 Texas
- Buda 15 mi · last frost Mar 10
- Lockhart 15 mi · last frost Mar 5
- New Braunfels 16 mi · last frost Mar 8
- Seguin 20 mi · last frost Mar 1
- Schertz 29 mi · last frost Feb 21
Updated