Frost dates for Jackson Hawkins Field, MS
At Jackson Hawkins Field, the median last spring frost (32°F) is Mar 6 and the median first fall frost is Nov 19, for a typical growing season of 258 days. For a 90% chance that the last frost has passed, wait until Mar 24. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 6Last spring frost (median)50% chance of 32°F after this date
- Mar 24Safer planting date10% chance of 32°F after this date
- Nov 19First fall frost (median)50% chance of 32°F by this date
- 258 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 2 | Mar 20 | Apr 7 |
| 32°F | Feb 15 | Mar 6 | Mar 24 |
| 28°F | Jan 23 | Feb 19 | Mar 13 |
| 24°F | Jan 2 | Jan 31 | Feb 28 |
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 27 | Nov 9 | Nov 24 |
| 32°F | Nov 4 | Nov 19 | Dec 10 |
| 28°F | Nov 11 | Dec 4 | Jan 3 |
| 24°F | Nov 28 | Dec 29 | Jan 24 |
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 | 210 days | 235 days | 259 days |
| 32°F | 236 days | 258 days | 289 days |
| 28°F | 257 days | 290 days | 325 days |
| 24°F | 289 days | 327 days | 360 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 92% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 39203 | 8b | 15 to 20°F | 4 km |
| 39217 | 8b | 15 to 20°F | 4 km |
| 39269 | 8b | 15 to 20°F | 5 km |
| 39202 | 8b | 15 to 20°F | 6 km |
| 39216 | 8b | 15 to 20°F | 6 km |
| 39206 | 8b | 15 to 20°F | 6 km |
| 39204 | 8b | 15 to 20°F | 6 km |
| 39201 | 8b | 15 to 20°F | 6 km |
| 39213 | 8b | 15 to 20°F | 6 km |
| 39174 | 8b | 15 to 20°F | 9 km |
| 39209 | 8b | 15 to 20°F | 9 km |
| 39212 | 8b | 15 to 20°F | 11 km |
| 39157 | 8b | 15 to 20°F | 11 km |
| 39056 | 8b | 15 to 20°F | 13 km |
| 39272 | 8b | 15 to 20°F | 17 km |
| 39110 | 8b | 15 to 20°F | 20 km |
| 39071 | 8b | 15 to 20°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 USW00013927, at 32.3367, -90.2214, elevation 104 m (342 ft).
- Data quality: Representative (10+ years), 17 years of freeze data.
- Average days per year at or below 32°F: 32.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Jackson Intl Airport (14 km)
- Oakley Exp. Station (31 km)
- Canton 4n (41 km)
- Crystal Springs Exp. Station (46 km)
- Satartia 8 SW (47 km)
- D'lo 2 SW (50 km)
- Hazlehurst 5 SW (60 km)
- Vicksburg City (62 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.