Frost dates for Tornillo 2 SSE, TX
At Tornillo 2 SSE, the median last spring frost (32°F) is Mar 21 and the median first fall frost is Nov 6, for a typical growing season of 227 days. For a 90% chance that the last frost has passed, wait until Apr 9. Nearby ZIP codes are in USDA hardiness zones 8a to 8b.
- Mar 21Last spring frost (median)50% chance of 32°F after this date
- Apr 9Safer planting date10% chance of 32°F after this date
- Nov 6First fall frost (median)50% chance of 32°F by this date
- 227 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 23 | Apr 9 | Apr 27 |
| 32°F | Mar 5 | Mar 21 | Apr 9 |
| 28°F | Feb 18 | Mar 5 | Mar 20 |
| 24°F | Jan 31 | Feb 20 | 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 16 | Oct 29 | Nov 9 |
| 32°F | Oct 24 | Nov 6 | Nov 18 |
| 28°F | Nov 1 | Nov 14 | Nov 27 |
| 24°F | Nov 11 | Nov 25 | Dec 8 |
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 | 178 days | 201 days | 221 days |
| 32°F | 205 days | 227 days | 248 days |
| 28°F | 232 days | 252 days | 273 days |
| 24°F | 253 days | 277 days | 301 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 79853 | 8a | 10 to 15°F | 4 km |
| 79838 | 8a | 10 to 15°F | 13 km |
| 79836 | 8b | 15 to 20°F | 24 km |
| 79849 | 8b | 15 to 20°F | 26 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 USC00419088, at 31.4028, -106.0581, elevation 1074 m (3,525 ft).
- Data quality: Representative (10+ years), 19 years of freeze data.
- Average days per year at or below 32°F: 81.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Fort Hancock 8sse (39 km)
- El Paso 32 ENE (49 km)
- El Paso Intl Airport (54 km)
- Cornudas Svc Station (70 km)
- La Tuna 1 S (82 km)
- Dell City 5ssw (98 km)
- Van Horn (123 km)
- Pine Springs National Park (128 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.