Frost dates for Town Bluff Dam, TX
At Town Bluff Dam, the median last spring frost (32°F) is Mar 9 and the median first fall frost is Nov 22, for a typical growing season of 258 days. For a 90% chance that the last frost has passed, wait until Apr 2. Nearby ZIP codes are in USDA hardiness zone 9a.
- Mar 9Last spring frost (median)50% chance of 32°F after this date
- Apr 2Safer planting date10% chance of 32°F after this date
- Nov 22First fall frost (median)50% chance of 32°F by this date
- 258 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 2 | Mar 25 | Apr 15 |
| 32°F | Feb 13 | Mar 9 | Apr 2 |
| 28°F | Jan 20 | Feb 19 | Mar 16 |
| 24°F | Dec 30 | Jan 31 | Mar 4 |
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 25 | Nov 8 | Nov 29 |
| 32°F | Nov 1 | Nov 22 | Dec 11 |
| 28°F | Nov 15 | Dec 7 | Jan 6 |
| 24°F | Dec 3 | Jan 1 | Feb 2 |
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 | 202 days | 230 days | 258 days |
| 32°F | 229 days | 258 days | 288 days |
| 28°F | 256 days | 290 days | 329 days |
| 24°F | 292 days | 329 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 84% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 77624 | 9a | 20 to 25°F | 15 km |
| 77660 | 9a | 20 to 25°F | 17 km |
| 75979 | 9a | 20 to 25°F | 20 km |
| 75942 | 9a | 20 to 25°F | 23 km |
| 75956 | 9a | 20 to 25°F | 23 km |
| 75938 | 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 USC00419101, at 30.7931, -94.1819, elevation 65 m (214 ft).
- Data quality: Standard (24+ years of data), 29 years of freeze data.
- Average days per year at or below 32°F: 28.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Sam Rayburn Dam (31 km)
- Wildwood (38 km)
- Lumberton (60 km)
- Livingston 2 NNE (71 km)
- Toledo Bend Dam (73 km)
- Lufkin Angelina Co Airport (74 km)
- Orange 9 N (76 km)
- Beaumont City (78 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.