Frost dates for Highland Home, AL
At Highland Home, the median last spring frost (32°F) is Mar 31 and the median first fall frost is Nov 5, for a typical growing season of 220 days. For a 90% chance that the last frost has passed, wait until Apr 17. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 31Last spring frost (median)50% chance of 32°F after this date
- Apr 17Safer planting date10% chance of 32°F after this date
- Nov 5First fall frost (median)50% chance of 32°F by this date
- 220 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 25 | Apr 12 | Apr 29 |
| 32°F | Mar 12 | Mar 31 | Apr 17 |
| 28°F | Feb 21 | Mar 15 | Apr 4 |
| 24°F | Feb 3 | Mar 1 | Mar 21 |
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 15 | Oct 27 | Nov 8 |
| 32°F | Oct 24 | Nov 5 | Nov 22 |
| 28°F | Nov 1 | Nov 16 | Dec 6 |
| 24°F | Nov 10 | Nov 30 | Jan 1 |
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 | 177 days | 198 days | 220 days |
| 32°F | 198 days | 220 days | 245 days |
| 28°F | 218 days | 245 days | 276 days |
| 24°F | 246 days | 277 days | 310 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 |
|---|---|---|---|
| 36049 | 8b | 15 to 20°F | 13 km |
| 36036 | 8b | 15 to 20°F | 13 km |
| 36009 | 8b | 15 to 20°F | 32 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 USC00013816, at 31.8814, -86.2503, elevation 132 m (433 ft).
- Data quality: Representative (10+ years), 21 years of freeze data.
- Average days per year at or below 32°F: 54.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Highland Home 2 S (7 km)
- Highland Home #2 (9 km)
- Troy Muni Airport (23 km)
- Troy 2 W (26 km)
- Troy (28 km)
- Greenville Crenshaw Airport (34 km)
- Greenville (35 km)
- Montgomery 6sw (42 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.