Frost dates for Kingston 2s, AR
At Kingston 2s, the median last spring frost (32°F) is Apr 13 and the median first fall frost is Oct 29, for a typical growing season of 199 days. For a 90% chance that the last frost has passed, wait until Apr 28. Nearby ZIP codes are in USDA hardiness zones 7a to 7b.
- Apr 13Last spring frost (median)50% chance of 32°F after this date
- Apr 28Safer planting date10% chance of 32°F after this date
- Oct 29First fall frost (median)50% chance of 32°F by this date
- 199 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 | Apr 10 | Apr 24 | May 7 |
| 32°F | Mar 30 | Apr 13 | Apr 28 |
| 28°F | Mar 15 | Apr 2 | Apr 20 |
| 24°F | Mar 3 | Mar 21 | Apr 6 |
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 6 | Oct 20 | Nov 1 |
| 32°F | Oct 16 | Oct 29 | Nov 14 |
| 28°F | Oct 25 | Nov 8 | Nov 27 |
| 24°F | Nov 1 | Nov 19 | Dec 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 | 158 days | 178 days | 198 days |
| 32°F | 178 days | 199 days | 220 days |
| 28°F | 198 days | 220 days | 245 days |
| 24°F | 216 days | 244 days | 268 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 |
|---|---|---|---|
| 72742 | 7a | 0 to 5°F | 1 km |
| 72670 | 7b | 5 to 10°F | 14 km |
| 72624 | 7a | 0 to 5°F | 16 km |
| 72776 | 7b | 5 to 10°F | 17 km |
| 72752 | 7b | 5 to 10°F | 20 km |
| 72760 | 7b | 5 to 10°F | 25 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 USC00033909, at 36.0086, -93.5206, elevation 654 m (2,145 ft).
- Data quality: Representative (10+ years), 12 years of freeze data.
- Average days per year at or below 32°F: 85.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Huntsville 1 SSW (22 km)
- Deer (35 km)
- Harrison (43 km)
- Harrison Boone Co Airport (43 km)
- Winslow 7ne (48 km)
- Clarksville 6 NE (54 km)
- Clarksville 2n (57 km)
- Fayetteville Drake Field (58 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.