Frost dates for El Dorado S Ar Regional Airport, AR
At El Dorado S Ar Regional Airport, the median last spring frost (32°F) is Mar 24 and the median first fall frost is Nov 7, for a typical growing season of 230 days. For a 90% chance that the last frost has passed, wait until Apr 9. Nearby ZIP codes are in USDA hardiness zones 8a to 8b.
- Mar 24Last spring frost (median)50% chance of 32°F after this date
- Apr 9Safer planting date10% chance of 32°F after this date
- Nov 7First fall frost (median)50% chance of 32°F by this date
- 230 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 18 | Apr 5 | Apr 22 |
| 32°F | Mar 1 | Mar 24 | Apr 9 |
| 28°F | Feb 17 | Mar 9 | Mar 27 |
| 24°F | Jan 25 | Feb 23 | Mar 16 |
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 29 | Nov 11 |
| 32°F | Oct 24 | Nov 7 | Nov 26 |
| 28°F | Nov 2 | Nov 20 | Dec 9 |
| 24°F | Nov 13 | Dec 3 | 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 | 184 days | 206 days | 228 days |
| 32°F | 207 days | 230 days | 255 days |
| 28°F | 231 days | 257 days | 285 days |
| 24°F | 253 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 |
|---|---|---|---|
| 71758 | 8b | 15 to 20°F | 14 km |
| 71762 | 8a | 10 to 15°F | 14 km |
| 71749 | 8b | 15 to 20°F | 17 km |
| 71730 | 8b | 15 to 20°F | 17 km |
| 71256 | 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 USW00093992, at 33.2208, -92.8142, elevation 77 m (252 ft).
- Data quality: Standard (24+ years of data), 28 years of freeze data.
- Average days per year at or below 32°F: 53.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Calion L&d (32 km)
- Magnolia (34 km)
- Camden 1 (41 km)
- Lewisville (72 km)
- Fordyce (77 km)
- Sparkman (77 km)
- Warren 2 WSW (79 km)
- Crossett 2 SSE (82 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.