Frost dates for Winnsboro 2 SE, LA
At Winnsboro 2 SE, the median last spring frost (32°F) is Mar 7 and the median first fall frost is Nov 13, for a typical growing season of 252 days. For a 90% chance that the last frost has passed, wait until Mar 26. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 7Last spring frost (median)50% chance of 32°F after this date
- Mar 26Safer planting date10% chance of 32°F after this date
- Nov 13First fall frost (median)50% chance of 32°F by this date
- 252 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 1 | Mar 20 | Apr 8 |
| 32°F | Feb 17 | Mar 7 | Mar 26 |
| 28°F | Jan 28 | Feb 23 | Mar 13 |
| 24°F | Jan 10 | Feb 1 | Mar 2 |
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 23 | Nov 4 | Nov 21 |
| 32°F | Nov 1 | Nov 13 | Dec 3 |
| 28°F | Nov 7 | Nov 27 | Dec 25 |
| 24°F | Nov 18 | Dec 19 | Jan 17 |
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 | 206 days | 228 days | 255 days |
| 32°F | 229 days | 252 days | 281 days |
| 28°F | 250 days | 280 days | 316 days |
| 24°F | 279 days | 316 days | 352 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 95% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 71295 | 8b | 15 to 20°F | 0 km |
| 71230 | 8b | 15 to 20°F | 16 km |
| 71259 | 8b | 15 to 20°F | 19 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 USC00169804, at 32.1411, -91.7089, elevation 23 m (74 ft).
- Data quality: Representative (10+ years), 11 years of freeze data.
- Average days per year at or below 32°F: 41.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Winnsboro 5 SSE (5 km)
- Columbia Lock (38 km)
- Rayville (39 km)
- Monroe Delta Cc (50 km)
- St. Joseph 3 N (50 km)
- Monroe Regional Airport (52 km)
- Tallulah (57 km)
- Jena (65 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.