Frost dates for Hondo Muni Airport, TX
At Hondo Muni Airport, 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 263 days. For a 90% chance that the last frost has passed, wait until Mar 24. Nearby ZIP codes are in USDA hardiness zone 9a.
- Mar 6Last spring frost (median)50% chance of 32°F after this date
- Mar 24Safer planting date10% chance of 32°F after this date
- Nov 20First fall frost (median)50% chance of 32°F by this date
- 263 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 19 | Apr 9 |
| 32°F | Feb 9 | Mar 6 | Mar 24 |
| 28°F | Jan 18 | Feb 21 | Mar 13 |
| 24°F | Dec 27 | Jan 31 | Mar 5 |
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 27 | Nov 11 | Nov 28 |
| 32°F | Nov 3 | Nov 20 | Dec 8 |
| 28°F | Nov 12 | Dec 3 | Jan 1 |
| 24°F | Nov 23 | Dec 21 | Jan 20 |
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 | 209 days | 237 days | 263 days |
| 32°F | 235 days | 263 days | 295 days |
| 28°F | 259 days | 290 days | 329 days |
| 24°F | 281 days | 323 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 92% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 78861 | 9a | 20 to 25°F | 6 km |
| 78850 | 9a | 20 to 25°F | 17 km |
| 78881 | 9a | 20 to 25°F | 31 km |
| 78870 | 9a | 20 to 25°F | 43 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 USW00012962, at 29.3600, -99.1742, elevation 280 m (920 ft).
- Data quality: Representative (10+ years), 22 years of freeze data.
- Average days per year at or below 32°F: 25.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Hondo (4 km)
- Lytle 3w (35 km)
- San Antonio/seaworld (47 km)
- Medina 1ne (51 km)
- San Antonio Kelly AFB (57 km)
- Charlotte 5 NNW (63 km)
- Boerne (65 km)
- San Antonio Stinson Airport (68 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.