Frost dates for Salt Point, LA
At Salt Point, the median last spring frost (32°F) is Feb 2 and the median first fall frost is Dec 26, for a typical growing season of 326 days. For a 90% chance that the last frost has passed, wait until Mar 1. Nearby ZIP codes are in USDA hardiness zone 9b.
- Feb 2Last spring frost (median)50% chance of 32°F after this date
- Mar 1Safer planting date10% chance of 32°F after this date
- Dec 26First fall frost (median)50% chance of 32°F by this date
- 326 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 23 | Feb 21 | Mar 13 |
| 32°F | Dec 30 | Feb 2 | Mar 1 |
| 28°F | Dec 23 | Jan 21 | Feb 18 |
| 24°F | Dec 30 | Jan 16 | Feb 8 |
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 15 | Dec 4 | Jan 1 |
| 32°F | Nov 29 | Dec 26 | Feb 1 |
| 28°F | Dec 11 | Jan 6 | Feb 5 |
| 24°F | Dec 25 | Jan 12 | Feb 6 |
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 | 258 days | 288 days | 323 days |
| 32°F | 289 days | 326 days | 365 days |
| 28°F | 322 days | 361 days | 365 days |
| 24°F | 349 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 91% |
| 28°F | 58% |
| 24°F | 21% |
Closest ZIP codes (each is closer to another station)
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 70522 | 9b | 25 to 30°F | 22 km |
| 70392 | 9b | 25 to 30°F | 25 km |
| 70538 | 9b | 25 to 30°F | 27 km |
| 70342 | 9b | 25 to 30°F | 31 km |
| 70514 | 9b | 25 to 30°F | 32 km |
| 70523 | 9b | 25 to 30°F | 34 km |
| 70544 | 9b | 25 to 30°F | 40 km |
| 70340 | 9b | 25 to 30°F | 42 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 USW00012968, at 29.5622, -91.5256, elevation 1 m (4 ft).
- Data quality: Representative (10+ years), 18 years of freeze data.
- Average days per year at or below 32°F: 5.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Franklin 3 NW (29 km)
- Morgan City (36 km)
- Jeanerette 5 NW (48 km)
- New Iberia Acadiana Airport (63 km)
- New Iberia Acadiana Regional Airport (63 km)
- St. Martinville 3 SW (67 km)
- Lafayette 13 SE (68 km)
- Houma (69 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.