Frost dates for Lead Hill, AR
At Lead Hill, the median last spring frost (32°F) is Apr 15 and the median first fall frost is Oct 22, for a typical growing season of 189 days. For a 90% chance that the last frost has passed, wait until May 1. Nearby ZIP codes are in USDA hardiness zones 7a to 7b.
- Apr 15Last spring frost (median)50% chance of 32°F after this date
- May 1Safer planting date10% chance of 32°F after this date
- Oct 22First fall frost (median)50% chance of 32°F by this date
- 189 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 13 | Apr 27 | May 11 |
| 32°F | Mar 30 | Apr 15 | May 1 |
| 28°F | Mar 17 | Apr 4 | Apr 20 |
| 24°F | Mar 4 | Mar 23 | Apr 8 |
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 | Sep 30 | Oct 12 | Oct 25 |
| 32°F | Oct 7 | Oct 22 | Nov 4 |
| 28°F | Oct 18 | Nov 1 | Nov 15 |
| 24°F | Oct 28 | Nov 10 | Nov 30 |
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 | 150 days | 168 days | 186 days |
| 32°F | 167 days | 189 days | 207 days |
| 28°F | 188 days | 210 days | 233 days |
| 24°F | 210 days | 233 days | 258 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 |
|---|---|---|---|
| 72644 | 7a | 0 to 5°F | 5 km |
| 72630 | 7a | 0 to 5°F | 5 km |
| 72668 | 7a | 0 to 5°F | 13 km |
| 65733 | 7a | 0 to 5°F | 14 km |
| 72672 | 7b | 5 to 10°F | 16 km |
| 65761 | 7a | 0 to 5°F | 22 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 USC00034106, at 36.4194, -92.9158, elevation 253 m (830 ft).
- Data quality: Standard (24+ years of data), 27 years of freeze data.
- Average days per year at or below 32°F: 108.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Harrison Boone Co Airport (27 km)
- Harrison (30 km)
- Mountain Home Baxter Airport (40 km)
- Mountain Home 1 NNW (47 km)
- Gilbert (51 km)
- Marshall (61 km)
- Deer (71 km)
- Kingston 2s (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.