Frost dates for Corpus Christi NWS, TX
At Corpus Christi NWS, the median last spring frost (32°F) is Jan 31 and the median first fall frost is Dec 22, for a typical growing season of 331 days. For a 90% chance that the last frost has passed, wait until Mar 2. Nearby ZIP codes are in USDA hardiness zones 9b to 10a.
- Jan 31Last spring frost (median)50% chance of 32°F after this date
- Mar 2Safer planting date10% chance of 32°F after this date
- Dec 22First fall frost (median)50% chance of 32°F by this date
- 331 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 | Jan 18 | Feb 18 | Mar 12 |
| 32°F | Dec 24 | Jan 31 | Mar 2 |
| 28°F | Dec 13 | Jan 11 | Feb 17 |
| 24°F | Dec 12 | Jan 5 | Feb 9 |
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 16 | Dec 7 | Jan 4 |
| 32°F | Nov 29 | Dec 22 | Feb 1 |
| 28°F | Dec 7 | Jan 1 | Feb 4 |
| 24°F | Dec 11 | Jan 1 | Feb 4 |
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 | 262 days | 297 days | 333 days |
| 32°F | 291 days | 331 days | 365 days |
| 28°F | 324 days | 364 days | 365 days |
| 24°F | 352 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 99% |
| 32°F | 88% |
| 28°F | 52% |
| 24°F | 15% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 78406 | 9b | 25 to 30°F | 1 km |
| 78408 | 10a | 30 to 35°F | 7 km |
| 78407 | 10a | 30 to 35°F | 7 km |
| 78405 | 10a | 30 to 35°F | 7 km |
| 78401 | 10a | 30 to 35°F | 11 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 USC00412011, at 27.7792, -97.5056, elevation 13 m (44 ft).
- Data quality: Representative (10+ years), 13 years of freeze data.
- Average days per year at or below 32°F: 4.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Corpus Christi (1 km)
- Corpus Christi Cabaniss Field (11 km)
- Robstown (15 km)
- C C Botanical Gardens (17 km)
- Corpus Christi NAS (24 km)
- Sinton (29 km)
- Port Aransas 11 SSW (35 km)
- Bishop (36 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.