Frost dates for Bonham 3nne, TX
At Bonham 3nne, the median last spring frost (32°F) is Mar 16 and the median first fall frost is Nov 13, for a typical growing season of 242 days. For a 90% chance that the last frost has passed, wait until Apr 4. Nearby ZIP codes are in USDA hardiness zones 8a to 8b.
- Mar 16Last spring frost (median)50% chance of 32°F after this date
- Apr 4Safer planting date10% chance of 32°F after this date
- Nov 13First fall frost (median)50% chance of 32°F by this date
- 242 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 11 | Mar 31 | Apr 19 |
| 32°F | Feb 28 | Mar 16 | Apr 4 |
| 28°F | Feb 13 | Mar 4 | Mar 22 |
| 24°F | Jan 25 | Feb 20 | Mar 12 |
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 3 | Nov 19 |
| 32°F | Oct 29 | Nov 13 | Dec 1 |
| 28°F | Nov 5 | Nov 24 | Dec 15 |
| 24°F | Nov 15 | Dec 7 | Jan 4 |
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 | 193 days | 217 days | 242 days |
| 32°F | 215 days | 242 days | 268 days |
| 28°F | 238 days | 265 days | 291 days |
| 24°F | 262 days | 292 days | 326 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 |
|---|---|---|---|
| 75418 | 8a | 10 to 15°F | 8 km |
| 75438 | 8a | 10 to 15°F | 9 km |
| 75476 | 8a | 10 to 15°F | 10 km |
| 75439 | 8a | 10 to 15°F | 14 km |
| 75447 | 8a | 10 to 15°F | 15 km |
| 75479 | 8a | 10 to 15°F | 15 km |
| 75492 | 8a | 10 to 15°F | 17 km |
| 75475 | 8a | 10 to 15°F | 19 km |
| 75488 | 8a | 10 to 15°F | 22 km |
| 75413 | 8a | 10 to 15°F | 23 km |
| 75446 | 8a | 10 to 15°F | 25 km |
| 75490 | 8a | 10 to 15°F | 26 km |
| 75452 | 8a | 10 to 15°F | 27 km |
| 75491 | 8a | 10 to 15°F | 27 km |
| 75449 | 8b | 15 to 20°F | 31 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 USC00410923, at 33.6403, -96.1661, elevation 180 m (592 ft).
- Data quality: Representative (10+ years), 24 years of freeze data.
- Average days per year at or below 32°F: 55.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Sherman (45 km)
- Greenville Kgvl Radio (53 km)
- Paris (56 km)
- Cooper Dam (63 km)
- McKinney Municipal Airport (64 km)
- McKinney Muni Airport (65 km)
- Lavon Dam (74 km)
- Sulphur Springs (74 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.