Frost dates for Pine Bluff Grider Field, AR
At Pine Bluff Grider Field, the median last spring frost (32°F) is Mar 13 and the median first fall frost is Nov 13, for a typical growing season of 243 days. For a 90% chance that the last frost has passed, wait until Apr 1. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 13Last spring frost (median)50% chance of 32°F after this date
- Apr 1Safer planting date10% chance of 32°F after this date
- Nov 13First fall frost (median)50% chance of 32°F by this date
- 243 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 8 | Mar 29 | Apr 13 |
| 32°F | Feb 25 | Mar 13 | Apr 1 |
| 28°F | Feb 6 | Feb 28 | Mar 20 |
| 24°F | Jan 16 | Feb 14 | Mar 7 |
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 18 | Nov 1 | Nov 17 |
| 32°F | Oct 28 | Nov 13 | Nov 29 |
| 28°F | Nov 7 | Nov 26 | Dec 17 |
| 24°F | Nov 21 | Dec 14 | Jan 11 |
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 | 241 days |
| 32°F | 218 days | 243 days | 269 days |
| 28°F | 244 days | 270 days | 299 days |
| 24°F | 271 days | 306 days | 340 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 |
|---|---|---|---|
| 71601 | 8b | 15 to 20°F | 4 km |
| 71659 | 8b | 15 to 20°F | 15 km |
| 72175 | 8b | 15 to 20°F | 24 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 USW00093988, at 34.1750, -91.9347, elevation 63 m (207 ft).
- Data quality: Standard (24+ years of data), 30 years of freeze data.
- Average days per year at or below 32°F: 44.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Pine Bluff (10 km)
- Cane Creek State Park (33 km)
- Rison (35 km)
- Sheridan (44 km)
- Keo (48 km)
- Dumas (49 km)
- Arkansas Post (57 km)
- Fordyce (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.