Frost dates for Jena, LA
At Jena, the median last spring frost (32°F) is Mar 19 and the median first fall frost is Nov 12, for a typical growing season of 238 days. For a 90% chance that the last frost has passed, wait until Apr 9. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 19Last spring frost (median)50% chance of 32°F after this date
- Apr 9Safer planting date10% chance of 32°F after this date
- Nov 12First fall frost (median)50% chance of 32°F by this date
- 238 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 12 | Apr 2 | Apr 21 |
| 32°F | Feb 25 | Mar 19 | Apr 9 |
| 28°F | Jan 31 | Mar 1 | Mar 29 |
| 24°F | Jan 7 | Feb 9 | 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 18 | Nov 1 | Nov 16 |
| 32°F | Oct 29 | Nov 12 | Dec 2 |
| 28°F | Nov 6 | Nov 25 | Dec 23 |
| 24°F | Nov 18 | Dec 14 | Jan 15 |
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 | 189 days | 212 days | 238 days |
| 32°F | 211 days | 238 days | 268 days |
| 28°F | 236 days | 267 days | 303 days |
| 24°F | 270 days | 306 days | 347 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 97% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 71342 | 8b | 15 to 20°F | 9 km |
| 71371 | 8b | 15 to 20°F | 11 km |
| 71401 | 8b | 15 to 20°F | 22 km |
| 71465 | 8b | 15 to 20°F | 23 km |
| 71480 | 8b | 15 to 20°F | 26 km |
| 71479 | 8b | 15 to 20°F | 29 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 USC00164696, at 31.6783, -92.1289, elevation 44 m (143 ft).
- Data quality: Standard (24+ years of data), 28 years of freeze data.
- Average days per year at or below 32°F: 42.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Jonesville Locks (33 km)
- Alexandria Esler Regional Airport (35 km)
- Alexandria (51 km)
- Columbia Lock (54 km)
- Alexandria Intl Airport (56 km)
- Alexandria 5 SSE (57 km)
- Winnfield 3 N (59 km)
- Lsu Dean Lee Rsch Station (62 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.