Frost dates for Boothville Asos, LA
At Boothville Asos, the median last spring frost (32°F) is Jan 23 and the median first fall frost is Jan 9, for a typical growing season of 357 days. For a 90% chance that the last frost has passed, wait until Feb 25. Nearby ZIP codes are in USDA hardiness zone 10a.
- Jan 23Last spring frost (median)50% chance of 32°F after this date
- Feb 25Safer planting date10% chance of 32°F after this date
- Jan 9First fall frost (median)50% chance of 32°F by this date
- 357 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 8 | Feb 6 | Mar 5 |
| 32°F | Dec 28 | Jan 23 | Feb 25 |
| 28°F | Dec 31 | Jan 16 | Feb 12 |
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 | Dec 7 | Jan 4 | Feb 1 |
| 32°F | Dec 18 | Jan 9 | Feb 5 |
| 28°F | Dec 28 | Jan 13 | Feb 4 |
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 | 293 days | 325 days | 360 days |
| 32°F | 318 days | 357 days | 365 days |
| 28°F | 343 days | 365 days | 365 days |
| 24°F | 365 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 91% |
| 32°F | 60% |
| 28°F | 23% |
| 24°F | 6% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 70038 | 10a | 30 to 35°F | 1 km |
| 70091 | 10a | 30 to 35°F | 26 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 USW00012884, at 29.3331, -89.4075, elevation 1 m (3 ft).
- Data quality: Representative (10+ years), 19 years of freeze data.
- Average days per year at or below 32°F: 2.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Buras (11 km)
- Lsu Citrus Rsch Station (49 km)
- St. Bernard (73 km)
- New Orleans Alvin Callender Fl (80 km)
- Marrero 9 SSW (85 km)
- Terrytown 3s (88 km)
- Chalmette (88 km)
- Galliano (88 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.