Last frost date in Rowlett, TX
In Rowlett, the last spring frost comes around March 10 in an average year. Wait until March 31 if you want 90% odds of no more frost. The first fall frost usually arrives about November 19, which leaves 254 frost-free days. An early freeze before November 1 happens one year in ten.
- Safe after (10% risk)
- Mar 31
- Average first frost
- Nov 19
- Frost-free season
- 254 days
- Hard freeze (28°F) ends
- Feb 26
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:24 UTC
- ThuOct 2257°
- FriOct 2359°
- SatOct 2461°
- SunOct 2558°
- MonOct 2660°
- TueOct 2757°
- WedOct 2858°
Planting calendar for Rowlett
Windows count forward or back from the average frost dates above. Click a crop for dates across Texas.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Feb 20 | Mar 10 | Mar 31 | Nov 1 | Nov 19 | Dec 5 |
| Hard freeze, 28°F | Feb 1 | Feb 26 | Mar 17 | Nov 13 | Dec 1 | Dec 22 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Lavon Dam (USC00415094) sits 9.0 miles from the center of Rowlett at 510 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Rowlett, TX?
The average last frost date in Rowlett is March 10, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after March 31.
When is the first frost in Rowlett?
The first frost in fall usually comes around November 19. One year in ten it arrives before November 1.
How long is the growing season in Rowlett?
About 254 days between the average last and first frost.
When should I plant tomatoes in Rowlett?
Plant tomato seedlings outside from March 17 to March 31. Start seeds indoors six to eight weeks earlier.
Nearby in Texas
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- GarlandMar 7
- RockwallMar 10
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- WylieMar 10
- FateMar 10
- RichardsonMar 7
- MesquiteMar 12
- ForneyMar 11
- Royse CityMar 10
- Balch SpringsMar 12
- PlanoMar 7