Frost dates for Clinton 5 SE, LA
At Clinton 5 SE, the median last spring frost (32°F) is Mar 13 and the median first fall frost is Nov 17, for a typical growing season of 251 days. For a 90% chance that the last frost has passed, wait until Apr 4. Nearby ZIP codes are in USDA hardiness zone 9a.
- Mar 13Last spring frost (median)50% chance of 32°F after this date
- Apr 4Safer planting date10% chance of 32°F after this date
- Nov 17First fall frost (median)50% chance of 32°F by this date
- 251 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 | Mar 5 | Mar 29 | Apr 16 |
| 32°F | Feb 18 | Mar 13 | Apr 4 |
| 28°F | Jan 28 | Feb 27 | Mar 21 |
| 24°F | Jan 5 | Feb 4 | Mar 11 |
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 | Oct 24 | Nov 6 | Nov 24 |
| 32°F | Nov 1 | Nov 17 | Dec 6 |
| 28°F | Nov 10 | Dec 1 | Jan 2 |
| 24°F | Nov 23 | Dec 27 | Jan 29 |
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 | 200 days | 223 days | 253 days |
| 32°F | 222 days | 251 days | 283 days |
| 28°F | 247 days | 283 days | 320 days |
| 24°F | 281 days | 321 days | 359 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 93% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 70722 | 9a | 20 to 25°F | 5 km |
| 70730 | 9a | 20 to 25°F | 12 km |
| 70777 | 9a | 20 to 25°F | 13 km |
| 70789 | 9a | 20 to 25°F | 17 km |
| 70761 | 9a | 20 to 25°F | 19 km |
| 70770 | 9a | 20 to 25°F | 19 km |
| 70441 | 9a | 20 to 25°F | 22 km |
| 70453 | 9a | 20 to 25°F | 23 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 USC00161899, at 30.8178, -90.9733, elevation 61 m (200 ft).
- Data quality: Representative (10+ years), 21 years of freeze data.
- Average days per year at or below 32°F: 29.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Baton Rouge Ryan Airport (35 km)
- St. Francisville 1 NE (38 km)
- New Roads 5 NE (39 km)
- Amite (44 km)
- Lsu Ben-Hur Farm (54 km)
- Brusly 2 W (55 km)
- Hammond 5 E (67 km)
- Carville 2 SW (70 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.