Frost dates for Marlin, TX
At Marlin, the median last spring frost (32°F) is Mar 21 and the median first fall frost is Nov 9, for a typical growing season of 234 days. For a 90% chance that the last frost has passed, wait until Apr 10. Nearby ZIP codes are in USDA hardiness zones 8b to 9a.
- Mar 21Last spring frost (median)50% chance of 32°F after this date
- Apr 10Safer planting date10% chance of 32°F after this date
- Nov 9First fall frost (median)50% chance of 32°F by this date
- 234 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 | Mar 14 | Apr 3 | Apr 25 |
| 32°F | Feb 27 | Mar 21 | Apr 10 |
| 28°F | Feb 13 | Mar 8 | Mar 31 |
| 24°F | Jan 24 | Feb 24 | Mar 16 |
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 21 | Nov 2 | Nov 16 |
| 32°F | Oct 29 | Nov 9 | Nov 26 |
| 28°F | Nov 3 | Nov 18 | Dec 6 |
| 24°F | Nov 10 | Dec 1 | Dec 29 |
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 | 188 days | 211 days | 236 days |
| 32°F | 208 days | 234 days | 259 days |
| 28°F | 228 days | 256 days | 285 days |
| 24°F | 249 days | 281 days | 318 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 |
|---|---|---|---|
| 76661 | 8b | 15 to 20°F | 3 km |
| 76685 | 8b | 15 to 20°F | 13 km |
| 76680 | 9a | 20 to 25°F | 15 km |
| 76682 | 8b | 15 to 20°F | 17 km |
| 76632 | 8b | 15 to 20°F | 18 km |
| 76656 | 8b | 15 to 20°F | 23 km |
| 76653 | 8b | 15 to 20°F | 26 km |
| 76570 | 9a | 20 to 25°F | 26 km |
| 76664 | 8b | 15 to 20°F | 29 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 USC00415611, at 31.3050, -96.8767, elevation 124 m (407 ft).
- Data quality: Representative (10+ years), 19 years of freeze data.
- Average days per year at or below 32°F: 38.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Waco Dam (46 km)
- Franklin (48 km)
- Waco Regional Airport (48 km)
- Cameron (52 km)
- McGregor (52 km)
- Mexia (53 km)
- Stillhouse Hollow Dam (69 km)
- Navarro Mills Dam (75 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.