Last frost date in Lewisville, TX
The average last frost in Lewisville is March 14. By April 3 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about November 17, which leaves 249 frost-free days. An early freeze before November 2 happens one year in ten.
- Safe after (10% risk)
- Apr 3
- Average first frost
- Nov 17
- Frost-free season
- 249 days
- Hard freeze (28°F) ends
- Mar 1
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2259°
- FriOct 2360°
- SatOct 2463°
- SunOct 2559°
- MonOct 2660°
- TueOct 2758°
- WedOct 2859°
Planting calendar for Lewisville
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 23 | Mar 14 | Apr 3 | Nov 2 | Nov 17 | Dec 4 |
| Hard freeze, 28°F | Feb 4 | Mar 1 | Mar 20 | Nov 9 | Nov 29 | Dec 20 |
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 Grapevine Dam (USC00413691) sits 8.4 miles from the center of Lewisville at 585 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 Lewisville, TX?
The average last frost date in Lewisville is March 14, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 3.
When is the first frost in Lewisville?
The first frost in fall usually comes around November 17. One year in ten it arrives before November 2.
How long is the growing season in Lewisville?
About 249 days between the average last and first frost.
When should I plant tomatoes in Lewisville?
Plant tomato seedlings outside from March 21 to April 4. Start seeds indoors six to eight weeks earlier.
Nearby in Texas
- The ColonyMar 7
- CarrolltonMar 7
- CoppellMar 14
- Flower MoundMar 14
- CorinthMar 13
- GrapevineMar 14
- Farmers BranchMar 2
- Little ElmMar 13
- FriscoMar 7
- SouthlakeMar 14
- PlanoMar 7
- IrvingMar 8