Frost dates for La Joya, TX
At La Joya, the median last spring frost (32°F) is Jan 23 and the median first fall frost is Dec 28, for a typical growing season of 340 days. For a 90% chance that the last frost has passed, wait until Feb 27. Nearby ZIP codes are in USDA hardiness zone 10a.
- Jan 23Last spring frost (median)50% chance of 32°F after this date
- Feb 27Safer planting date10% chance of 32°F after this date
- Dec 28First fall frost (median)50% chance of 32°F by this date
- 340 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 | Jan 9 | Feb 11 | Mar 11 |
| 32°F | Dec 22 | Jan 23 | Feb 27 |
| 28°F | Dec 17 | Jan 7 | Feb 6 |
| 24°F | Dec 17 | Jan 4 | Jan 31 |
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 | Nov 18 | Dec 7 | Jan 7 |
| 32°F | Dec 2 | Dec 28 | Feb 1 |
| 28°F | Dec 13 | Jan 1 | Feb 1 |
| 24°F | Dec 16 | Jan 2 | Jan 22 |
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 | 266 days | 303 days | 338 days |
| 32°F | 305 days | 340 days | 365 days |
| 28°F | 338 days | 365 days | 365 days |
| 24°F | 365 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 98% |
| 32°F | 79% |
| 28°F | 39% |
| 24°F | 11% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 78573 | 10a | 30 to 35°F | 4 km |
| 78574 | 10a | 30 to 35°F | 5 km |
| 78576 | 10a | 30 to 35°F | 14 km |
| 78541 | 10a | 30 to 35°F | 15 km |
| 78560 | 10a | 30 to 35°F | 17 km |
| 78595 | 10a | 30 to 35°F | 22 km |
| 78565 | 10a | 30 to 35°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 USC00414911, at 26.3233, -98.3233, elevation 65 m (213 ft).
- Data quality: Representative (10+ years), 20 years of freeze data.
- Average days per year at or below 32°F: 2.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- McAllen (16 km)
- Edinburg (17 km)
- McAllen Miller Intl Airport (17 km)
- McCook (33 km)
- San Manuel (34 km)
- Edinburg 17 NNE (34 km)
- Weslaco (39 km)
- Santa Rosa 3 WNW (46 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.