Frost dates for Blytheville Muni Airport, AR
At Blytheville Muni Airport, the median last spring frost (32°F) is Mar 24 and the median first fall frost is Nov 6, for a typical growing season of 227 days. For a 90% chance that the last frost has passed, wait until Apr 10. Nearby ZIP codes are in USDA hardiness zone 8a.
- Mar 24Last spring frost (median)50% chance of 32°F after this date
- Apr 10Safer planting date10% chance of 32°F after this date
- Nov 6First fall frost (median)50% chance of 32°F by this date
- 227 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 19 | Apr 4 | Apr 20 |
| 32°F | Mar 5 | Mar 24 | Apr 10 |
| 28°F | Feb 22 | Mar 11 | Mar 30 |
| 24°F | Feb 5 | Feb 28 | Mar 18 |
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 13 | Oct 26 | Nov 9 |
| 32°F | Oct 23 | Nov 6 | Nov 22 |
| 28°F | Nov 3 | Nov 18 | Dec 8 |
| 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 | 185 days | 204 days | 225 days |
| 32°F | 205 days | 227 days | 252 days |
| 28°F | 226 days | 252 days | 279 days |
| 24°F | 252 days | 281 days | 313 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 |
|---|---|---|---|
| 63839 | 8a | 10 to 15°F | 12 km |
| 63853 | 8a | 10 to 15°F | 14 km |
| 63877 | 8a | 10 to 15°F | 16 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 USW00053869, at 35.9403, -89.8308, elevation 78 m (255 ft).
- Data quality: Representative (10+ years), 22 years of freeze data.
- Average days per year at or below 32°F: 61.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Blytheville (7 km)
- Keiser (37 km)
- Paragould 1s (61 km)
- Jonesboro Muni Airport (74 km)
- Jonesboro 2 NE (75 km)
- Corning (86 km)
- Poinsett State Park (90 km)
- W Memphis (96 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.