Frost dates for Laredo 2, TX
At Laredo 2, the median last spring frost (32°F) is Jan 25 and the median first fall frost is Dec 17, for a typical growing season of 329 days. For a 90% chance that the last frost has passed, wait until Feb 25. Nearby ZIP codes are in USDA hardiness zone 9b.
- Jan 25Last spring frost (median)50% chance of 32°F after this date
- Feb 25Safer planting date10% chance of 32°F after this date
- Dec 17First fall frost (median)50% chance of 32°F by this date
- 329 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 18 | Feb 13 | Mar 9 |
| 32°F | Dec 25 | Jan 25 | Feb 25 |
| 28°F | Dec 14 | Jan 8 | Feb 11 |
| 24°F | Dec 9 | Jan 2 | Feb 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 | Nov 14 | Dec 3 | Dec 28 |
| 32°F | Nov 23 | Dec 17 | Jan 19 |
| 28°F | Dec 5 | Dec 30 | Feb 1 |
| 24°F | Dec 7 | Jan 1 | Feb 1 |
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 | 260 days | 293 days | 328 days |
| 32°F | 288 days | 329 days | 362 days |
| 28°F | 325 days | 363 days | 365 days |
| 24°F | 353 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 90% |
| 28°F | 55% |
| 24°F | 21% |
Closest ZIP codes (each is closer to another station)
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 78041 | 9b | 25 to 30°F | 4 km |
| 78040 | 9b | 25 to 30°F | 6 km |
| 78043 | 9b | 25 to 30°F | 19 km |
| 78046 | 9b | 25 to 30°F | 23 km |
| 78044 | 9b | 25 to 30°F | 32 km |
| 78045 | 9b | 25 to 30°F | 35 km |
| 78371 | 9b | 25 to 30°F | 42 km |
| 78369 | 9b | 25 to 30°F | 44 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 USC00415060, at 27.5683, -99.4983, elevation 131 m (430 ft).
- Data quality: Standard (24+ years of data), 26 years of freeze data.
- Average days per year at or below 32°F: 5.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Laredo AFB (5 km)
- Encinal (47 km)
- Bruni (67 km)
- Zapata 1 S (81 km)
- Hebbronville (86 km)
- Freer (93 km)
- Cotulla La Salle Co Airport (103 km)
- Benavides 2 (107 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.