Frost dates for Clarksville 2ne, TX
At Clarksville 2ne, the median last spring frost (32°F) is Mar 20 and the median first fall frost is Nov 10, for a typical growing season of 233 days. For a 90% chance that the last frost has passed, wait until Apr 11. Nearby ZIP codes are in USDA hardiness zones 8a to 8b.
- Mar 20Last spring frost (median)50% chance of 32°F after this date
- Apr 11Safer planting date10% chance of 32°F after this date
- Nov 10First fall frost (median)50% chance of 32°F by this date
- 233 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 5 | Apr 21 |
| 32°F | Feb 28 | Mar 20 | Apr 11 |
| 28°F | Feb 13 | Mar 5 | Mar 28 |
| 24°F | Jan 26 | Feb 23 | Mar 13 |
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 20 | Nov 1 | Nov 16 |
| 32°F | Oct 28 | Nov 10 | Nov 29 |
| 28°F | Nov 5 | Nov 23 | Dec 12 |
| 24°F | Nov 15 | Dec 6 | Jan 3 |
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 | 190 days | 211 days | 235 days |
| 32°F | 208 days | 233 days | 261 days |
| 28°F | 231 days | 262 days | 289 days |
| 24°F | 258 days | 289 days | 325 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 |
|---|---|---|---|
| 75426 | 8a | 10 to 15°F | 7 km |
| 75417 | 8b | 15 to 20°F | 21 km |
| 75550 | 8b | 15 to 20°F | 21 km |
| 75412 | 8a | 10 to 15°F | 21 km |
| 75436 | 8a | 10 to 15°F | 22 km |
| 75435 | 8a | 10 to 15°F | 24 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 USC00411772, at 33.6164, -95.0717, elevation 133 m (435 ft).
- Data quality: Representative (10+ years), 17 years of freeze data.
- Average days per year at or below 32°F: 57.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Dekalb (45 km)
- Paris (46 km)
- Mount Vernon (49 km)
- Mount Pleasant (50 km)
- Cooper Dam (59 km)
- Sulphur Springs (73 km)
- Daingerfield 9 S (84 km)
- Wright Patman Dm & Lake (92 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.