Frost dates for Benbrook Dam, TX
At Benbrook Dam, the median last spring frost (32°F) is Mar 14 and the median first fall frost is Nov 16, for a typical growing season of 245 days. For a 90% chance that the last frost has passed, wait until Apr 3. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 14Last spring frost (median)50% chance of 32°F after this date
- Apr 3Safer planting date10% chance of 32°F after this date
- Nov 16First fall frost (median)50% chance of 32°F by this date
- 245 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 9 | Mar 30 | Apr 18 |
| 32°F | Feb 25 | Mar 14 | Apr 3 |
| 28°F | Feb 10 | Mar 2 | Mar 21 |
| 24°F | Jan 21 | Feb 16 | Mar 10 |
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 6 | Nov 22 |
| 32°F | Oct 31 | Nov 16 | Dec 5 |
| 28°F | Nov 8 | Nov 30 | Dec 21 |
| 24°F | Nov 19 | Dec 13 | Jan 9 |
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 | 198 days | 222 days | 245 days |
| 32°F | 220 days | 245 days | 271 days |
| 28°F | 244 days | 272 days | 302 days |
| 24°F | 269 days | 302 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 | 99% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 76132 | 8b | 15 to 20°F | 3 km |
| 76123 | 8b | 15 to 20°F | 5 km |
| 76133 | 8b | 15 to 20°F | 6 km |
| 76126 | 8b | 15 to 20°F | 7 km |
| 76109 | 8b | 15 to 20°F | 8 km |
| 76036 | 8b | 15 to 20°F | 9 km |
| 76134 | 8b | 15 to 20°F | 11 km |
| 76115 | 8b | 15 to 20°F | 11 km |
| 76110 | 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 USC00410691, at 32.6475, -97.4439, elevation 241 m (790 ft).
- Data quality: Representative (10+ years), 25 years of freeze data.
- Average days per year at or below 32°F: 43.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Fort Worth NAS (13 km)
- Burleson (18 km)
- Fort Worth Meacham Field (21 km)
- Fort Worth Meacham Field Naaf (21 km)
- Fort Worth Nature Center (22 km)
- Fort Worth Wsfo (25 km)
- Weatherford (33 km)
- Arlington Muni Airport (33 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.