Frost dates for Evergreen Middleton Field, AL
At Evergreen Middleton Field, the median last spring frost (32°F) is Mar 10 and the median first fall frost is Nov 17, for a typical growing season of 251 days. For a 90% chance that the last frost has passed, wait until Mar 31. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 10Last spring frost (median)50% chance of 32°F after this date
- Mar 31Safer planting date10% chance of 32°F after this date
- Nov 17First fall frost (median)50% chance of 32°F by this date
- 251 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 6 | Mar 28 | Apr 13 |
| 32°F | Feb 16 | Mar 10 | Mar 31 |
| 28°F | Jan 26 | Feb 22 | Mar 17 |
| 24°F | Jan 1 | Feb 1 | Mar 2 |
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 22 | Nov 5 | Nov 22 |
| 32°F | Nov 1 | Nov 17 | Dec 6 |
| 28°F | Nov 11 | Dec 1 | Jan 3 |
| 24°F | Nov 25 | Dec 30 | Jan 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 | 202 days | 224 days | 252 days |
| 32°F | 223 days | 251 days | 283 days |
| 28°F | 253 days | 286 days | 321 days |
| 24°F | 284 days | 323 days | 364 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 91% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 36432 | 8b | 15 to 20°F | 13 km |
| 36454 | 8b | 15 to 20°F | 17 km |
| 36475 | 8b | 15 to 20°F | 17 km |
| 36473 | 8b | 15 to 20°F | 20 km |
| 36460 | 8b | 15 to 20°F | 28 km |
| 36471 | 8b | 15 to 20°F | 30 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 USW00053820, at 31.4156, -87.0442, elevation 79 m (258 ft).
- Data quality: Representative (10+ years), 21 years of freeze data.
- Average days per year at or below 32°F: 39.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Evergreen (9 km)
- Brewton 3 NNE (30 km)
- Brewton 3 ENE (30 km)
- Brewton 3 SSE (40 km)
- Atmore (46 km)
- Andalusia 3 W (51 km)
- Greenville (59 km)
- Andalusia Opp Airport (63 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.