Frost dates for Columbus, TX
At Columbus, the median last spring frost (32°F) is Mar 9 and the median first fall frost is Nov 20, for a typical growing season of 255 days. For a 90% chance that the last frost has passed, wait until Mar 31. Nearby ZIP codes are in USDA hardiness zone 9a.
- Mar 9Last spring frost (median)50% chance of 32°F after this date
- Mar 31Safer planting date10% chance of 32°F after this date
- Nov 20First fall frost (median)50% chance of 32°F by this date
- 255 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 28 | Mar 23 | Apr 13 |
| 32°F | Feb 13 | Mar 9 | Mar 31 |
| 28°F | Jan 22 | Feb 25 | Mar 19 |
| 24°F | Dec 30 | Feb 7 | Mar 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 | Oct 21 | Nov 9 | Dec 2 |
| 32°F | Nov 1 | Nov 20 | Dec 13 |
| 28°F | Nov 6 | Dec 3 | Jan 4 |
| 24°F | Nov 17 | Dec 20 | Feb 1 |
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 | 203 days | 231 days | 265 days |
| 32°F | 223 days | 255 days | 291 days |
| 28°F | 247 days | 284 days | 328 days |
| 24°F | 276 days | 320 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 99% |
| 24°F | 90% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 78934 | 9a | 20 to 25°F | 1 km |
| 78943 | 9a | 20 to 25°F | 2 km |
| 78962 | 9a | 20 to 25°F | 16 km |
| 78938 | 9a | 20 to 25°F | 18 km |
| 77470 | 9a | 20 to 25°F | 19 km |
| 77475 | 9a | 20 to 25°F | 23 km |
| 78950 | 9a | 20 to 25°F | 25 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 USC00411911, at 29.6989, -96.5731, elevation 69 m (225 ft).
- Data quality: Standard (24+ years of data), 29 years of freeze data.
- Average days per year at or below 32°F: 30.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Eagle Lake Resch Center (22 km)
- La Grange (38 km)
- Sealy (42 km)
- Hallettsville 2 N (44 km)
- Flatonia 4se (48 km)
- Bellville 6nne (51 km)
- Brenham (54 km)
- El Campo (63 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.