Frost dates for Langtry, TX
At Langtry, the median last spring frost (32°F) is Feb 27 and the median first fall frost is Nov 27, for a typical growing season of 270 days. For a 90% chance that the last frost has passed, wait until Mar 17. Nearby ZIP codes are in USDA hardiness zone 8b.
- Feb 27Last spring frost (median)50% chance of 32°F after this date
- Mar 17Safer planting date10% chance of 32°F after this date
- Nov 27First fall frost (median)50% chance of 32°F by this date
- 270 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 | Feb 21 | Mar 8 | Mar 30 |
| 32°F | Feb 4 | Feb 27 | Mar 17 |
| 28°F | Jan 14 | Feb 10 | Mar 7 |
| 24°F | Dec 17 | Jan 19 | Feb 20 |
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 | Nov 1 | Nov 16 | Dec 2 |
| 32°F | Nov 10 | Nov 27 | Dec 13 |
| 28°F | Nov 22 | Dec 8 | Jan 1 |
| 24°F | Dec 1 | Dec 22 | Jan 23 |
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 | 225 days | 249 days | 272 days |
| 32°F | 244 days | 270 days | 299 days |
| 28°F | 268 days | 303 days | 337 days |
| 24°F | 299 days | 338 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 99% |
| 24°F | 82% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 78841 | 8b | 15 to 20°F | 9 km |
| 78871 | 8b | 15 to 20°F | 12 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 USC00415048, at 29.8097, -101.5603, elevation 393 m (1,290 ft).
- Data quality: Standard (24+ years of data), 30 years of freeze data.
- Average days per year at or below 32°F: 30.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Hudspeth River Rch (43 km)
- Pandale 1 N (44 km)
- Pandale 11 NE (52 km)
- Amistad Dam (64 km)
- Acton Rch (67 km)
- Dryden Terrell Co Airport (68 km)
- Del Rio 4nw (76 km)
- Del Rio Intl Airport (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.