Last frost date in St. George, LA
The average last frost in St. George is February 28. By March 21 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about November 26, which leaves 272 frost-free days. An early freeze before November 6 happens one year in ten.
- Safe after (10% risk)
- Mar 21
- Average first frost
- Nov 26
- Frost-free season
- 272 days
- Hard freeze (28°F) ends
- Feb 7
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2253°
- FriOct 2353°
- SatOct 2452°
- SunOct 2553°
- MonOct 2654°
- TueOct 2754°
- WedOct 2854°
Planting calendar for St. George
Windows count forward or back from the average frost dates above. Click a crop for dates across Louisiana.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Jan 31 | Feb 28 | Mar 21 | Nov 6 | Nov 26 | Dec 22 |
| Hard freeze, 28°F | Jan 7 | Feb 7 | Mar 10 | Nov 20 | Dec 16 | Jan 16 |
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 Lsu Ben-hur Farm (USC00165620) sits 8.4 miles from the center of St. George at 21 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 St. George, LA?
The average last frost date in St. George is February 28, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after March 21.
When is the first frost in St. George?
The first frost in fall usually comes around November 26. One year in ten it arrives before November 6.
How long is the growing season in St. George?
About 272 days between the average last and first frost.
When should I plant tomatoes in St. George?
Plant tomato seedlings outside from March 7 to March 21. Start seeds indoors six to eight weeks earlier.
Nearby in Louisiana
- PrairievilleFeb 9
- Baton RougeFeb 28
- CentralFeb 25
- ZacharyFeb 25
- HammondMar 8
- LaplaceFeb 9
- KennerJan 30
- New IberiaFeb 10
- Bayou CaneFeb 5
- MetairieJan 30
- HoumaFeb 5
- LafayetteFeb 26