Frost dates for Eagle Pass 3n, TX
At Eagle Pass 3n, the median last spring frost (32°F) is Feb 19 and the median first fall frost is Dec 1, for a typical growing season of 287 days. For a 90% chance that the last frost has passed, wait until Mar 10. Nearby ZIP codes are in USDA hardiness zone 9a.
- Feb 19Last spring frost (median)50% chance of 32°F after this date
- Mar 10Safer planting date10% chance of 32°F after this date
- Dec 1First fall frost (median)50% chance of 32°F by this date
- 287 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 12 | Mar 2 | Mar 20 |
| 32°F | Jan 22 | Feb 19 | Mar 10 |
| 28°F | Dec 25 | Jan 31 | Mar 1 |
| 24°F | Dec 13 | Jan 10 | Feb 17 |
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 4 | Nov 20 | Dec 5 |
| 32°F | Nov 14 | Dec 1 | Dec 23 |
| 28°F | Nov 26 | Dec 14 | Jan 20 |
| 24°F | Dec 4 | Dec 26 | Feb 6 |
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 | 234 days | 262 days | 288 days |
| 32°F | 257 days | 287 days | 321 days |
| 28°F | 285 days | 324 days | 360 days |
| 24°F | 320 days | 358 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 94% |
| 24°F | 59% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 78877 | 9a | 20 to 25°F | 25 km |
| 78852 | 9a | 20 to 25°F | 32 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 USC00412679, at 28.7569, -100.4792, elevation 248 m (812 ft).
- Data quality: Representative (10+ years), 15 years of freeze data.
- Average days per year at or below 32°F: 12.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Brackettville (63 km)
- Crystal City (64 km)
- Carrizo Springs 3s (66 km)
- Del Rio Intl Airport (82 km)
- Del Rio 4nw (84 km)
- Amistad Dam (95 km)
- Brackettville 22 N (95 km)
- Camp Wood (111 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.