Frost dates for Sherman, TX
At Sherman, the median last spring frost (32°F) is Mar 14 and the median first fall frost is Nov 19, for a typical growing season of 250 days. For a 90% chance that the last frost has passed, wait until Apr 1. Nearby ZIP codes are in USDA hardiness zone 8a.
- Mar 14Last spring frost (median)50% chance of 32°F after this date
- Apr 1Safer planting date10% chance of 32°F after this date
- Nov 19First fall frost (median)50% chance of 32°F by this date
- 250 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 8 | Mar 28 | Apr 15 |
| 32°F | Feb 25 | Mar 14 | Apr 1 |
| 28°F | Feb 10 | Mar 2 | Mar 21 |
| 24°F | Jan 22 | Feb 20 | 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 26 | Nov 9 | Nov 24 |
| 32°F | Nov 2 | Nov 19 | Dec 6 |
| 28°F | Nov 11 | Nov 30 | Dec 20 |
| 24°F | Nov 23 | Dec 14 | Jan 8 |
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 | 201 days | 225 days | 251 days |
| 32°F | 225 days | 250 days | 276 days |
| 28°F | 247 days | 274 days | 301 days |
| 24°F | 269 days | 300 days | 331 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 |
|---|---|---|---|
| 75092 | 8a | 10 to 15°F | 8 km |
| 75020 | 8a | 10 to 15°F | 8 km |
| 75076 | 8a | 10 to 15°F | 13 km |
| 75090 | 8a | 10 to 15°F | 14 km |
| 76268 | 8a | 10 to 15°F | 14 km |
| 75021 | 8a | 10 to 15°F | 15 km |
| 76264 | 8a | 10 to 15°F | 19 km |
| 74731 | 8a | 10 to 15°F | 19 km |
| 75459 | 8a | 10 to 15°F | 20 km |
| 75414 | 8a | 10 to 15°F | 22 km |
| 76245 | 8a | 10 to 15°F | 24 km |
| 75489 | 8a | 10 to 15°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 USC00418274, at 33.7033, -96.6419, elevation 232 m (760 ft).
- Data quality: Standard (24+ years of data), 30 years of freeze data.
- Average days per year at or below 32°F: 43.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Gainesville 5 ENE (39 km)
- Bonham 3nne (45 km)
- Pilot Point Isl Du Boi (51 km)
- McKinney Municipal Airport (57 km)
- McKinney Muni Airport (58 km)
- Denton 2 SE (71 km)
- Lavon Dam (76 km)
- Denton Muni Airport (76 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.