Frost dates for San Saba 7NW, TX
At San Saba 7NW, the median last spring frost (32°F) is Mar 16 and the median first fall frost is Nov 13, for a typical growing season of 239 days. For a 90% chance that the last frost has passed, wait until Apr 8. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 16Last spring frost (median)50% chance of 32°F after this date
- Apr 8Safer planting date10% chance of 32°F after this date
- Nov 13First fall frost (median)50% chance of 32°F by this date
- 239 daysGrowing season (median)between 32°F freezes
USDA hardiness zone 8b (15 to 20°F) · see all zone 8b frost dates
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 10 | Apr 1 | Apr 20 |
| 32°F | Feb 26 | Mar 16 | Apr 8 |
| 28°F | Feb 12 | Mar 4 | Mar 23 |
| 24°F | Jan 23 | Feb 18 | 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 23 | Nov 4 | Nov 18 |
| 32°F | Oct 30 | Nov 13 | Nov 29 |
| 28°F | Nov 6 | Nov 24 | Dec 13 |
| 24°F | Nov 17 | Dec 8 | Jan 5 |
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 | 192 days | 217 days | 242 days |
| 32°F | 214 days | 239 days | 265 days |
| 28°F | 238 days | 265 days | 290 days |
| 24°F | 261 days | 296 days | 330 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 76877 | 8b | 15 to 20°F | 14 km |
| 76871 | 8b | 15 to 20°F | 22 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 USC00417994, at 31.2842, -98.7589, elevation 405 m (1,330 ft).
- Data quality: Representative (10+ years), 19 years of freeze data.
- Average days per year at or below 32°F: 51.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Goldthwaite 1 WSW (24 km)
- Brownwood 2ENE (54 km)
- Brady (58 km)
- Lampasas (60 km)
- Evant 1SSW (60 km)
- Llano (61 km)
- Mason (75 km)
- Burnet (77 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.