Frost dates for Macon Middle Ga Regional Airport, GA
At Macon Middle Ga Regional Airport, the median last spring frost (32°F) is Mar 21 and the median first fall frost is Nov 10, for a typical growing season of 235 days. For a 90% chance that the last frost has passed, wait until Apr 7. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 21Last spring frost (median)50% chance of 32°F after this date
- Apr 7Safer planting date10% chance of 32°F after this date
- Nov 10First fall frost (median)50% chance of 32°F by this date
- 235 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 3 | Apr 19 |
| 32°F | Feb 28 | Mar 21 | Apr 7 |
| 28°F | Feb 5 | Mar 3 | Mar 24 |
| 24°F | Jan 18 | Feb 14 | 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 20 | Nov 1 | Nov 13 |
| 32°F | Oct 29 | Nov 10 | Nov 29 |
| 28°F | Nov 6 | Nov 24 | Dec 21 |
| 24°F | Nov 18 | Dec 15 | Jan 14 |
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 | 232 days |
| 32°F | 212 days | 235 days | 260 days |
| 28°F | 238 days | 267 days | 297 days |
| 24°F | 267 days | 301 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 | 98% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 31093 | 8b | 15 to 20°F | 4 km |
| 31216 | 8b | 15 to 20°F | 6 km |
| 31028 | 8b | 15 to 20°F | 6 km |
| 31206 | 8b | 15 to 20°F | 12 km |
| 31008 | 8b | 15 to 20°F | 13 km |
| 31201 | 8b | 15 to 20°F | 14 km |
| 31213 | 8b | 15 to 20°F | 17 km |
| 31204 | 8b | 15 to 20°F | 18 km |
| 31052 | 8b | 15 to 20°F | 21 km |
| 31217 | 8b | 15 to 20°F | 23 km |
| 31211 | 8b | 15 to 20°F | 25 km |
| 31030 | 8b | 15 to 20°F | 26 km |
| 31210 | 8b | 15 to 20°F | 26 km |
| 31050 | 8b | 15 to 20°F | 27 km |
| 31220 | 8b | 15 to 20°F | 27 km |
| 31004 | 8b | 15 to 20°F | 33 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 USW00003813, at 32.6847, -83.6528, elevation 104 m (343 ft).
- Data quality: Standard (24+ years of data), 24 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
- Warner Robins (9 km)
- Irwinton 4 WNW (42 km)
- Hawkinsville (48 km)
- Milledgeville (58 km)
- Thomaston 4se (61 km)
- The Rock Rch (62 km)
- Eastman 1 W (68 km)
- Dublin (72 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.