Frost dates for Dallas Redbird Airport, TX
At Dallas Redbird Airport, the median last spring frost (32°F) is Mar 6 and the median first fall frost is Nov 25, for a typical growing season of 265 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 6Last spring frost (median)50% chance of 32°F after this date
- Mar 26Safer planting date10% chance of 32°F after this date
- Nov 25First fall frost (median)50% chance of 32°F by this date
- 265 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 28 | Mar 19 | Apr 9 |
| 32°F | Feb 15 | Mar 6 | Mar 26 |
| 28°F | Jan 24 | Feb 22 | Mar 12 |
| 24°F | Jan 1 | Feb 2 | Mar 3 |
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 27 | Nov 12 | Dec 1 |
| 32°F | Nov 6 | Nov 25 | Dec 14 |
| 28°F | Nov 19 | Dec 9 | Jan 5 |
| 24°F | Dec 2 | Dec 27 | Feb 1 |
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 | 211 days | 238 days | 260 days |
| 32°F | 239 days | 265 days | 291 days |
| 28°F | 263 days | 292 days | 325 days |
| 24°F | 290 days | 325 days | 360 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 91% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 75237 | 8b | 15 to 20°F | 2 km |
| 75233 | 8b | 15 to 20°F | 3 km |
| 75232 | 8b | 15 to 20°F | 4 km |
| 75224 | 8b | 15 to 20°F | 4 km |
| 75116 | 8b | 15 to 20°F | 5 km |
| 75236 | 8b | 15 to 20°F | 6 km |
| 75211 | 8b | 15 to 20°F | 7 km |
| 75208 | 8b | 15 to 20°F | 9 km |
| 75216 | 8b | 15 to 20°F | 9 km |
| 75115 | 8b | 15 to 20°F | 9 km |
| 75203 | 8b | 15 to 20°F | 9 km |
| 75241 | 8b | 15 to 20°F | 10 km |
| 75134 | 8b | 15 to 20°F | 11 km |
| 75215 | 8b | 15 to 20°F | 13 km |
| 75217 | 8b | 15 to 20°F | 18 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 USW00003971, at 32.6808, -96.8681, elevation 201 m (658 ft).
- Data quality: Representative (10+ years), 20 years of freeze data.
- Average days per year at or below 32°F: 27.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Joe Pool Lake (11 km)
- Dallas Love Field (19 km)
- Arlington Six Flags (21 km)
- Arlington Muni Airport (21 km)
- Ferris (25 km)
- Dallas Fort Worth Airport (28 km)
- Waxahachie (28 km)
- Grapevine Dam (35 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.