Frost dates for Floresville, TX
At Floresville, the median last spring frost (32°F) is Mar 6 and the median first fall frost is Nov 20, for a typical growing season of 261 days. For a 90% chance that the last frost has passed, wait until Mar 30. Nearby ZIP codes are in USDA hardiness zone 9a.
- Mar 6Last spring frost (median)50% chance of 32°F after this date
- Mar 30Safer planting date10% chance of 32°F after this date
- Nov 20First fall frost (median)50% chance of 32°F by this date
- 261 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 27 | Mar 21 | Apr 12 |
| 32°F | Feb 10 | Mar 6 | Mar 30 |
| 28°F | Jan 21 | Feb 21 | Mar 14 |
| 24°F | Dec 25 | Feb 3 | Mar 7 |
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 24 | Nov 8 | Nov 29 |
| 32°F | Nov 2 | Nov 20 | Dec 12 |
| 28°F | Nov 13 | Dec 3 | Jan 7 |
| 24°F | Nov 23 | Dec 25 | 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 | 206 days | 233 days | 262 days |
| 32°F | 227 days | 261 days | 296 days |
| 28°F | 255 days | 292 days | 332 days |
| 24°F | 286 days | 325 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 | 86% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 78114 | 9a | 20 to 25°F | 4 km |
| 78147 | 9a | 20 to 25°F | 10 km |
| 78161 | 9a | 20 to 25°F | 20 km |
| 78113 | 9a | 20 to 25°F | 21 km |
| 78121 | 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 USC00413201, at 29.1333, -98.1628, elevation 122 m (400 ft).
- Data quality: Representative (10+ years), 24 years of freeze data.
- Average days per year at or below 32°F: 27.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Pleasanton (36 km)
- Karnes City 2n (38 km)
- San Antonio Stinson Airport (38 km)
- Poteet (41 km)
- Nixon (42 km)
- Randolph AFB (47 km)
- San Antonio Incarnate Word (48 km)
- San Antonio Kelly AFB (49 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.