Frost dates for Madisonville, TX
At Madisonville, the median last spring frost (32°F) is Mar 16 and the median first fall frost is Nov 11, for a typical growing season of 240 days. For a 90% chance that the last frost has passed, wait until Apr 7. Nearby ZIP codes are in USDA hardiness zone 9a.
- Mar 16Last spring frost (median)50% chance of 32°F after this date
- Apr 7Safer planting date10% chance of 32°F after this date
- Nov 11First fall frost (median)50% chance of 32°F by this date
- 240 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 9 | Mar 31 | Apr 20 |
| 32°F | Feb 23 | Mar 16 | Apr 7 |
| 28°F | Jan 31 | Mar 2 | Mar 25 |
| 24°F | Jan 2 | Feb 8 | Mar 11 |
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 18 | Nov 2 | Nov 18 |
| 32°F | Oct 25 | Nov 11 | Dec 1 |
| 28°F | Nov 2 | Nov 20 | Dec 18 |
| 24°F | Nov 11 | Dec 5 | Jan 7 |
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 | 193 days | 217 days | 244 days |
| 32°F | 214 days | 240 days | 269 days |
| 28°F | 237 days | 268 days | 305 days |
| 24°F | 262 days | 303 days | 341 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 97% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 77864 | 9a | 20 to 25°F | 3 km |
| 77872 | 9a | 20 to 25°F | 17 km |
| 75852 | 9a | 20 to 25°F | 22 km |
| 77871 | 9a | 20 to 25°F | 22 km |
| 77831 | 9a | 20 to 25°F | 23 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 USC00415477, at 30.9392, -95.9203, elevation 77 m (252 ft).
- Data quality: Standard (24+ years of data), 28 years of freeze data.
- Average days per year at or below 32°F: 35.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Centerville (36 km)
- Huntsville Muni Airport (39 km)
- Huntsville (44 km)
- Franklin (55 km)
- College Station (58 km)
- Crockett (61 km)
- Washington State Park (72 km)
- Groveton (79 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.