Frost dates for Thibodaux 4 SE, LA
At Thibodaux 4 SE, the median last spring frost (32°F) is Feb 5 and the median first fall frost is Dec 14, for a typical growing season of 311 days. For a 90% chance that the last frost has passed, wait until Mar 7. Nearby ZIP codes are in USDA hardiness zone 9b.
- Feb 5Last spring frost (median)50% chance of 32°F after this date
- Mar 7Safer planting date10% chance of 32°F after this date
- Dec 14First fall frost (median)50% chance of 32°F by this date
- 311 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Jan 30 | Feb 27 | Mar 21 |
| 32°F | Jan 3 | Feb 5 | Mar 7 |
| 28°F | Dec 24 | Jan 23 | Feb 21 |
| 24°F | Dec 22 | Jan 13 | Feb 3 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Nov 7 | Nov 29 | Dec 23 |
| 32°F | Nov 19 | Dec 14 | Jan 15 |
| 28°F | Dec 4 | Jan 1 | Feb 1 |
| 24°F | Dec 15 | Jan 7 | Jan 31 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 245 days | 277 days | 311 days |
| 32°F | 274 days | 311 days | 348 days |
| 28°F | 308 days | 346 days | 365 days |
| 24°F | 338 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 96% |
| 28°F | 75% |
| 24°F | 36% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 70310 | 9b | 25 to 30°F | 5 km |
| 70301 | 9b | 25 to 30°F | 6 km |
| 70394 | 9b | 25 to 30°F | 17 km |
| 70372 | 9b | 25 to 30°F | 21 km |
| 70375 | 9b | 25 to 30°F | 24 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00169013, at 29.7547, -90.7747, elevation 5 m (15 ft).
- Data quality: Standard (24+ years of data), 26 years of freeze data.
- Average days per year at or below 32°F: 11.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Houma (13 km)
- Reserve (38 km)
- Morgan City (40 km)
- Donaldsonville 4 SW (43 km)
- Galliano (56 km)
- New Orleans Intl Airport (57 km)
- Carville 2 SW (60 km)
- Marrero 9 SSW (64 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.