Frost dates for Refugio 2 NW, TX
At Refugio 2 NW, the median last spring frost (32°F) is Feb 27 and the median first fall frost is Dec 2, for a typical growing season of 283 days. For a 90% chance that the last frost has passed, wait until Mar 19. Nearby ZIP codes are in USDA hardiness zone 9b.
- Feb 27Last spring frost (median)50% chance of 32°F after this date
- Mar 19Safer planting date10% chance of 32°F after this date
- Dec 2First fall frost (median)50% chance of 32°F by this date
- 283 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 17 | Mar 10 | Mar 31 |
| 32°F | Jan 26 | Feb 27 | Mar 19 |
| 28°F | Dec 29 | Feb 7 | Mar 9 |
| 24°F | Dec 16 | Jan 22 | Mar 4 |
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 2 | Nov 21 | Dec 11 |
| 32°F | Nov 10 | Dec 2 | Jan 2 |
| 28°F | Nov 23 | Dec 18 | Feb 1 |
| 24°F | Dec 5 | Jan 1 | Feb 17 |
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 | 229 days | 258 days | 288 days |
| 32°F | 251 days | 283 days | 324 days |
| 28°F | 277 days | 316 days | 365 days |
| 24°F | 306 days | 356 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 99% |
| 28°F | 91% |
| 24°F | 62% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 78377 | 9b | 25 to 30°F | 13 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 USC00417533, at 28.3294, -97.2947, elevation 14 m (45 ft).
- Data quality: Representative (10+ years), 20 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
- Refugio 3 SW (5 km)
- Welder Wildlife Foundation (27 km)
- Rockport Aransas Co Airport (37 km)
- Goliad (38 km)
- Sinton (40 km)
- Rockport (42 km)
- Beeville 5 NE (43 km)
- Coleto Creek Rsvr (45 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.