Frost dates for El Campo, TX
At El Campo, the median last spring frost (32°F) is Feb 23 and the median first fall frost is Dec 5, for a typical growing season of 287 days. For a 90% chance that the last frost has passed, wait until Mar 16. Nearby ZIP codes are in USDA hardiness zones 9a to 9b.
- Feb 23Last spring frost (median)50% chance of 32°F after this date
- Mar 16Safer planting date10% chance of 32°F after this date
- Dec 5First 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 15 | Mar 7 | Mar 30 |
| 32°F | Jan 22 | Feb 23 | Mar 16 |
| 28°F | Dec 29 | Feb 2 | Mar 5 |
| 24°F | Dec 19 | Jan 21 | Feb 28 |
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 25 | Dec 13 |
| 32°F | Nov 15 | Dec 5 | Jan 4 |
| 28°F | Nov 30 | Dec 25 | Jan 27 |
| 24°F | Dec 8 | Jan 5 | Feb 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 | 229 days | 259 days | 286 days |
| 32°F | 254 days | 287 days | 325 days |
| 28°F | 283 days | 324 days | 365 days |
| 24°F | 314 days | 361 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 91% |
| 24°F | 58% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 77437 | 9a | 20 to 25°F | 1 km |
| 77467 | 9b | 25 to 30°F | 9 km |
| 77436 | 9a | 20 to 25°F | 18 km |
| 77455 | 9a | 20 to 25°F | 19 km |
| 77443 | 9a | 20 to 25°F | 20 km |
| 77488 | 9b | 25 to 30°F | 20 km |
| 77453 | 9b | 25 to 30°F | 24 km |
| 77460 | 9a | 20 to 25°F | 25 km |
| 77448 | 9a | 20 to 25°F | 30 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 USC00412786, at 29.2000, -96.2653, elevation 34 m (110 ft).
- Data quality: Representative (10+ years), 18 years of freeze data.
- Average days per year at or below 32°F: 11.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Danevang 1 W (16 km)
- Bay City Wtr Wks (37 km)
- Eagle Lake Resch Center (48 km)
- Palacios Muni Airport (53 km)
- Columbus (63 km)
- Matagorda No. 2 (64 km)
- Sealy (65 km)
- Point Comfort (67 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.