Frost dates for Falfurrias, TX
At Falfurrias, the median last spring frost (32°F) is Feb 25 and the median first fall frost is Dec 1, for a typical growing season of 285 days. For a 90% chance that the last frost has passed, wait until Mar 18. Nearby ZIP codes are in USDA hardiness zone 9b.
- Feb 25Last spring frost (median)50% chance of 32°F after this date
- Mar 18Safer planting date10% chance of 32°F after this date
- Dec 1First fall frost (median)50% chance of 32°F by this date
- 285 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 9 | Mar 9 | Apr 4 |
| 32°F | Jan 19 | Feb 25 | Mar 18 |
| 28°F | Dec 21 | Jan 31 | Mar 9 |
| 24°F | Dec 11 | Jan 13 | 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 31 | Nov 18 | Dec 12 |
| 32°F | Nov 12 | Dec 1 | Jan 1 |
| 28°F | Nov 24 | Dec 20 | Feb 1 |
| 24°F | Dec 4 | Jan 1 | Feb 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 | 220 days | 254 days | 287 days |
| 32°F | 250 days | 285 days | 326 days |
| 28°F | 282 days | 326 days | 365 days |
| 24°F | 312 days | 363 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 90% |
| 24°F | 53% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 78355 | 9b | 25 to 30°F | 10 km |
| 78375 | 9b | 25 to 30°F | 29 km |
| 78353 | 9b | 25 to 30°F | 30 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 USC00413063, at 27.1353, -98.1203, elevation 42 m (139 ft).
- Data quality: Representative (10+ years), 17 years of freeze data.
- Average days per year at or below 32°F: 10.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Sarita 7 E (43 km)
- Kingsville Naas (50 km)
- Kingsville (51 km)
- Armstrong 4se (53 km)
- Hebbronville (59 km)
- Bishop (59 km)
- Benavides 2 (59 km)
- San Manuel (63 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.