Frost dates for Clarendon, AR
At Clarendon, the median last spring frost (32°F) is Mar 15 and the median first fall frost is Nov 11, for a typical growing season of 241 days. For a 90% chance that the last frost has passed, wait until Apr 1. Nearby ZIP codes are in USDA hardiness zones 8a to 8b.
- Mar 15Last spring frost (median)50% chance of 32°F after this date
- Apr 1Safer planting date10% chance of 32°F after this date
- Nov 11First fall frost (median)50% chance of 32°F by this date
- 241 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 10 | Mar 29 | Apr 14 |
| 32°F | Feb 27 | Mar 15 | Apr 1 |
| 28°F | Feb 9 | Mar 2 | Mar 19 |
| 24°F | Jan 22 | Feb 18 | Mar 9 |
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 19 | Nov 1 | Nov 16 |
| 32°F | Oct 28 | Nov 11 | Nov 30 |
| 28°F | Nov 5 | Nov 24 | Dec 19 |
| 24°F | Nov 16 | Dec 11 | Jan 9 |
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 | 196 days | 218 days | 242 days |
| 32°F | 216 days | 241 days | 268 days |
| 28°F | 239 days | 267 days | 297 days |
| 24°F | 265 days | 296 days | 330 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 |
|---|---|---|---|
| 72029 | 8a | 10 to 15°F | 3 km |
| 72134 | 8b | 15 to 20°F | 10 km |
| 72041 | 8a | 10 to 15°F | 16 km |
| 72108 | 8a | 10 to 15°F | 19 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 USC00031442, at 34.6986, -91.3036, elevation 55 m (179 ft).
- Data quality: Representative (10+ years), 20 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
- Brinkley (22 km)
- Stuttgart 9 ESE (27 km)
- Des Arc (36 km)
- Saint Charles (40 km)
- Marianna 2 S (49 km)
- Keo (64 km)
- Helena (68 km)
- Cabot (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.