Frost dates for Mexia, TX
At Mexia, the median last spring frost (32°F) is Mar 13 and the median first fall frost is Nov 22, for a typical growing season of 251 days. For a 90% chance that the last frost has passed, wait until Apr 4. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 13Last spring frost (median)50% chance of 32°F after this date
- Apr 4Safer planting date10% chance of 32°F after this date
- Nov 22First fall frost (median)50% chance of 32°F by this date
- 251 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 7 | Mar 29 | Apr 15 |
| 32°F | Feb 21 | Mar 13 | Apr 4 |
| 28°F | Jan 28 | Feb 28 | Mar 24 |
| 24°F | Jan 4 | Feb 6 | Mar 10 |
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 28 | Nov 10 | Nov 29 |
| 32°F | Nov 4 | Nov 22 | Dec 10 |
| 28°F | Nov 11 | Dec 4 | Dec 30 |
| 24°F | Nov 22 | Dec 24 | Jan 21 |
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 | 205 days | 227 days | 253 days |
| 32°F | 223 days | 251 days | 279 days |
| 28°F | 247 days | 281 days | 316 days |
| 24°F | 274 days | 314 days | 357 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 93% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 76667 | 8b | 15 to 20°F | 5 km |
| 76642 | 8b | 15 to 20°F | 15 km |
| 76686 | 8b | 15 to 20°F | 16 km |
| 76693 | 8b | 15 to 20°F | 21 km |
| 76635 | 8b | 15 to 20°F | 23 km |
| 75838 | 8b | 15 to 20°F | 26 km |
| 76687 | 8b | 15 to 20°F | 28 km |
| 76678 | 8b | 15 to 20°F | 29 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 USC00415869, at 31.6181, -96.4497, elevation 153 m (503 ft).
- Data quality: Representative (10+ years), 12 years of freeze data.
- Average days per year at or below 32°F: 34.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Fairfield 3w (26 km)
- Navarro Mills Dam (44 km)
- Corsicana Campbell Field (46 km)
- Marlin (53 km)
- Corsicana (56 km)
- Centerville (60 km)
- Franklin (65 km)
- Palestine 6 WNW (71 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.