Frost dates for Jacksonville, TX
At Jacksonville, the median last spring frost (32°F) is Mar 22 and the median first fall frost is Nov 14, for a typical growing season of 239 days. For a 90% chance that the last frost has passed, wait until Apr 8. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 22Last spring frost (median)50% chance of 32°F after this date
- Apr 8Safer planting date10% chance of 32°F after this date
- Nov 14First fall frost (median)50% chance of 32°F by this date
- 239 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 17 | Apr 4 | Apr 20 |
| 32°F | Mar 1 | Mar 22 | Apr 8 |
| 28°F | Feb 14 | Mar 8 | Mar 27 |
| 24°F | Jan 20 | Feb 21 | Mar 15 |
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 21 | Nov 4 | Nov 22 |
| 32°F | Oct 30 | Nov 14 | Dec 3 |
| 28°F | Nov 5 | Nov 28 | Dec 18 |
| 24°F | Nov 14 | Dec 11 | Jan 11 |
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 | 192 days | 213 days | 238 days |
| 32°F | 212 days | 239 days | 266 days |
| 28°F | 235 days | 264 days | 297 days |
| 24°F | 259 days | 295 days | 335 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 98% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 75766 | 8b | 15 to 20°F | 3 km |
| 75759 | 8b | 15 to 20°F | 16 km |
| 75780 | 8b | 15 to 20°F | 17 km |
| 75757 | 8b | 15 to 20°F | 18 km |
| 75789 | 8b | 15 to 20°F | 24 km |
| 75763 | 8b | 15 to 20°F | 25 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 USC00414525, at 31.9622, -95.2736, elevation 171 m (560 ft).
- Data quality: Representative (10+ years), 18 years of freeze data.
- Average days per year at or below 32°F: 36.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Rusk (21 km)
- Palestine 2 NE (37 km)
- Tyler (38 km)
- Tyler Pounds Field (45 km)
- Palestine 6 WNW (47 km)
- Henderson (51 km)
- Athens (57 km)
- Lufkin 11 NW (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.