Frost dates for Des Arc, AR
At Des Arc, the median last spring frost (32°F) is Mar 11 and the median first fall frost is Nov 14, for a typical growing season of 247 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 11Last spring frost (median)50% chance of 32°F after this date
- Apr 1Safer planting date10% chance of 32°F after this date
- Nov 14First fall frost (median)50% chance of 32°F by this date
- 247 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 7 | Mar 27 | Apr 15 |
| 32°F | Feb 23 | Mar 11 | Apr 1 |
| 28°F | Feb 9 | Mar 2 | Mar 19 |
| 24°F | Jan 22 | Feb 18 | Mar 10 |
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 31 | Nov 14 | Dec 2 |
| 28°F | Nov 7 | Nov 26 | Dec 19 |
| 24°F | Nov 17 | Dec 11 | Jan 7 |
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 | 246 days |
| 32°F | 221 days | 247 days | 271 days |
| 28°F | 242 days | 269 days | 298 days |
| 24°F | 263 days | 297 days | 333 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 99% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 72040 | 8a | 10 to 15°F | 3 km |
| 72060 | 8a | 10 to 15°F | 13 km |
| 72017 | 8a | 10 to 15°F | 14 km |
| 72066 | 8a | 10 to 15°F | 20 km |
| 72064 | 8a | 10 to 15°F | 23 km |
| 72059 | 8a | 10 to 15°F | 24 km |
| 72006 | 8a | 10 to 15°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 USC00031968, at 34.9772, -91.4978, elevation 61 m (200 ft).
- Data quality: Standard (24+ years of data), 28 years of freeze data.
- Average days per year at or below 32°F: 50.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Brinkley (28 km)
- Clarendon (36 km)
- Searcy (38 km)
- Cabot (46 km)
- Stuttgart 9 ESE (56 km)
- Keo (61 km)
- Beedeville 4 NE (67 km)
- Wynne (71 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.