Last frost date in Round Rock, Texas
March 11
Average last frost in spring. In an early year (1 in 10) it's over by February 22; in a late year (1 in 10) it comes after March 29.
November 20
Average first frost in fall. 1 year in 10 it comes by November 3.
Source: NOAA U.S. Climate Normals 1991–2020, station Austin Great Hills (USC00410433), 9.9 miles from Round Rock, elevation 880 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Cedar Park and Pflugerville, so their frost dates are the same as Round Rock's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Feb 22 | Mar 11 | Mar 29 |
| First frost in fall | Nov 3 | Nov 20 | Dec 9 |
Frost-free days in an average year: 254
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Mar 25 | Nov 10 |
| Frost (32°F) | Every year | Mar 11 | Nov 20 |
| Hard freeze (28°F) | Every year | Mar 1 | Dec 3 |
Nights at 32°F or colder in an average year: 27
What to plant now in Round Rock
- Collards plantsAug 25 – Nov 1Now
- BeetsSept 1 – Dec 1Now
- Cabbage plantsSept 1 – Dec 1Now
- CarrotsSept 1 – Nov 1Now
- DandelionSept 1 – Nov 1Now
- Head lettuce plantsSept 1 – Nov 1Now
- Leaf lettuceSept 1 – Nov 1Now
- LeeksSept 1 – Nov 1Now
- Mustard greensSept 1 – Dec 1Now
- Onion seedSept 1 – Nov 1Now
- ParsleySept 1 – Dec 31Now
- RadishesSept 1 – Dec 1Now
- TurnipsSept 1 – Nov 15Now
- Corn saladOct 1 – Dec 1Now
- Garden peasOct 1 – Dec 1Now
- Onion plants plantsOct 1 – Dec 31Now
- SpinachOct 1 – Dec 1Now
- Upland cressOct 1 – Dec 1Now
- Chervil and chivesNov 1 – Dec 31Soon
- Onion setsNov 1 – Dec 31Soon
- Spring planting calendar for an average last frost around March 10 Round Rock: March 11
- Fall planting calendar for an average first frost around November 20 Round Rock: November 20
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
- Hutto 7 mi · last frost Mar 8
- Georgetown 10 mi · last frost Mar 6
- Manor 13 mi · last frost Mar 4
- Austin 17 mi · last frost Feb 20
- Lago Vista 20 mi · last frost Mar 2
Updated