Frost dates for Oakley Exp. Station, MS
At Oakley Exp. Station, the median last spring frost (32°F) is Mar 16 and the median first fall frost is Nov 6, for a typical growing season of 236 days. For a 90% chance that the last frost has passed, wait until Apr 6. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 16Last spring frost (median)50% chance of 32°F after this date
- Apr 6Safer planting date10% chance of 32°F after this date
- Nov 6First fall frost (median)50% chance of 32°F by this date
- 236 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 11 | Apr 2 | Apr 20 |
| 32°F | Feb 25 | Mar 16 | Apr 6 |
| 28°F | Feb 7 | Mar 1 | Mar 21 |
| 24°F | Jan 17 | Feb 16 | Mar 11 |
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 16 | Oct 30 | Nov 12 |
| 32°F | Oct 24 | Nov 6 | Nov 26 |
| 28°F | Nov 1 | Nov 18 | Dec 11 |
| 24°F | Nov 11 | Dec 3 | Jan 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 | 189 days | 211 days | 236 days |
| 32°F | 210 days | 236 days | 261 days |
| 28°F | 235 days | 262 days | 293 days |
| 24°F | 261 days | 294 days | 332 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 |
|---|---|---|---|
| 39154 | 8b | 15 to 20°F | 7 km |
| 39066 | 8b | 15 to 20°F | 13 km |
| 39175 | 8b | 15 to 20°F | 17 km |
| 39041 | 8b | 15 to 20°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 USC00226476, at 32.2061, -90.5133, elevation 62 m (205 ft).
- Data quality: Representative (10+ years), 24 years of freeze data.
- Average days per year at or below 32°F: 54.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Jackson Hawkins Field (31 km)
- Crystal Springs Exp. Station (32 km)
- Vicksburg City (39 km)
- Hazlehurst 5 SW (42 km)
- Jackson Intl Airport (43 km)
- Satartia 8 SW (44 km)
- Port Gibson 1 NE (50 km)
- D'lo 2 SW (61 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.