Frost dates for Macon 3n, MS
At Macon 3n, the median last spring frost (32°F) is Mar 21 and the median first fall frost is Nov 7, for a typical growing season of 231 days. For a 90% chance that the last frost has passed, wait until Apr 8. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 21Last spring frost (median)50% chance of 32°F after this date
- Apr 8Safer planting date10% chance of 32°F after this date
- Nov 7First fall frost (median)50% chance of 32°F by this date
- 231 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 17 | Apr 5 | Apr 22 |
| 32°F | Feb 28 | Mar 21 | Apr 8 |
| 28°F | Feb 15 | Mar 5 | Mar 22 |
| 24°F | Jan 23 | Feb 20 | Mar 12 |
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 15 | Oct 29 | Nov 12 |
| 32°F | Oct 23 | Nov 7 | Nov 26 |
| 28°F | Nov 2 | Nov 20 | Dec 8 |
| 24°F | Nov 13 | Dec 4 | Jan 4 |
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 | 207 days | 229 days |
| 32°F | 206 days | 231 days | 259 days |
| 28°F | 234 days | 260 days | 290 days |
| 24°F | 259 days | 291 days | 324 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 |
|---|---|---|---|
| 39341 | 8b | 15 to 20°F | 7 km |
| 39739 | 8b | 15 to 20°F | 10 km |
| 39361 | 8b | 15 to 20°F | 18 km |
| 39743 | 8b | 15 to 20°F | 21 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 USC00225361, at 33.1544, -88.5586, elevation 76 m (250 ft).
- Data quality: Representative (10+ years), 25 years of freeze data.
- Average days per year at or below 32°F: 58.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Columbus (38 km)
- State Univ (41 km)
- Louisville (48 km)
- Meridian Naas (67 km)
- Philadelphia 1 WSW (68 km)
- Aberdeen (75 km)
- Eupora 2 E (78 km)
- Houston (90 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.