Frost dates for Grapevine Dam, TX
At Grapevine Dam, the median last spring frost (32°F) is Mar 14 and the median first fall frost is Nov 17, for a typical growing season of 249 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 17First fall frost (median)50% chance of 32°F by this date
- 249 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 8 | Mar 29 | Apr 15 |
| 32°F | Feb 23 | Mar 14 | Apr 3 |
| 28°F | Feb 4 | Mar 1 | Mar 20 |
| 24°F | Jan 17 | Feb 12 | Mar 11 |
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 26 | Nov 7 | Nov 23 |
| 32°F | Nov 2 | Nov 17 | Dec 4 |
| 28°F | Nov 9 | Nov 29 | Dec 20 |
| 24°F | Nov 18 | Dec 13 | Jan 14 |
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 | 200 days | 223 days | 248 days |
| 32°F | 223 days | 249 days | 275 days |
| 28°F | 247 days | 275 days | 305 days |
| 24°F | 271 days | 306 days | 342 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 |
|---|---|---|---|
| 76051 | 8b | 15 to 20°F | 2 km |
| 75019 | 8b | 15 to 20°F | 7 km |
| 76092 | 8b | 15 to 20°F | 9 km |
| 75067 | 8b | 15 to 20°F | 9 km |
| 75028 | 8b | 15 to 20°F | 9 km |
| 75022 | 8b | 15 to 20°F | 10 km |
| 76034 | 8b | 15 to 20°F | 11 km |
| 75057 | 8b | 15 to 20°F | 13 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 USC00413691, at 32.9506, -97.0553, elevation 178 m (585 ft).
- Data quality: Representative (10+ years), 22 years of freeze data.
- Average days per year at or below 32°F: 44.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Dallas Fort Worth Airport (7 km)
- Arlington Six Flags (22 km)
- Dallas Love Field (22 km)
- Fort Worth Alliance Airport (25 km)
- Fort Worth Wsfo (26 km)
- Denton 2 SE (28 km)
- Richardson (30 km)
- Fort Worth Meacham Field Naaf (31 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.