Macon-Bibb County, GA frost dates
From NOAA weather station Macon Middle GA Rgnl AP (USW00003813), elevation 343 ft. The station is named for Macon-Bibb County, and its coordinates are 8.9 miles from the Census Bureau’s internal point for Macon-Bibb County.
Summary
In the 1991–2020 record, the median last spring freeze (32°F) at Macon Middle GA Rgnl AP is Mar 21 and the median first fall freeze is Nov 10, for a typical freeze-free season of 235 days. In about 1 year in 10 the last spring freeze comes after Apr 7, and in about 1 year in 10 the first fall freeze arrives by Oct 29. The station averages 44 nights per year with a low of 32°F or colder.
Compared with the median of 126 Georgia stations in this dataset, the median last freeze here is the same day as the state median (Mar 21), the median first freeze is 2 days earlier than the state median (Nov 12), and the growing season ranks #68 of 126 by length (longest = #1). The spread between the 90% and 10% spring dates is 38 days, a measure of how variable spring is here.
Freeze probability table
| Threshold | Last spring occurrence | First fall occurrence | Season length (days) 90% / 50% / 10% | ||||
|---|---|---|---|---|---|---|---|
| Early (90% chance of a later freeze) | Median (50%) | Cautious (10% chance of a later freeze) | Early (10% chance by then) | Median (50%) | Late (90% chance by then) | ||
| 36°F (light frost possible) | Mar 17 | Apr 3 | Apr 19 | Oct 20 | Nov 1 | Nov 13 | 189 / 211 / 232 |
| 32°F (freeze) | Feb 28 | Mar 21 | Apr 7 | Oct 29 | Nov 10 | Nov 29 | 212 / 235 / 260 |
| 28°F (hard freeze) | Feb 5 | Mar 3 | Mar 24 | Nov 6 | Nov 24 | Dec 21 | 238 / 267 / 297 |
Read the spring “Cautious” column as the safer planting date: only about 1 year in 10 has a freeze after it. NOAA computes these from daily minimum temperatures at the station; your yard can differ, especially in low spots or at a different elevation.
Planting calendar for Macon-Bibb County
Pick how much frost risk you accept. The calendar applies generic, extension-published timing rules to this station’s dates. See the rules and sources.
| Crop | Start seeds indoors | Plant outdoors (spring) | Latest fall planting (est.) | Days to harvest |
|---|
Fall estimates count back from the median first fall freeze (32°F for tender crops, 28°F hard freeze for cool-season crops) by the longer days-to-harvest figure. These are rough planning aids, not recommendations for any specific variety; check seed packets and your county extension office.
Towns that use this station as their nearest
Census places within 15 miles whose closest station in this dataset is Macon Middle GA Rgnl AP: Centerville (4 mi), Byron (6 mi), Macon-Bibb County (9 mi).
Nearby stations
- Warner Robins, GA — 6 mi; median last freeze Mar 11, first freeze Nov 19
- Irwinton 4 WNW, GA — 26 mi; median last freeze Mar 12, first freeze Nov 19
- Hawkinsville, GA — 30 mi; median last freeze Mar 20, first freeze Nov 12
- Milledgeville, GA — 36 mi; median last freeze Mar 25, first freeze Nov 9
- Thomaston 4SE, GA — 38 mi; median last freeze Mar 23, first freeze Nov 12
About this station’s data
- Station ID: USW00003813 · Latitude 32.6847, longitude -83.6528 · Elevation 104 m (343 ft)
- NOAA completeness flag: S — Standard: meets WMO data-availability standards for 24 or more years. Years of data used: 24.
- Source file: USW00003813.csv (NOAA NCEI 1991–2020 annual/seasonal normals).
Raw values from the NOAA file (32°F)
| Field | Value |
|---|---|
ANN-TMIN-PRBLST-T32FP10 | 04/07 |
ANN-TMIN-PRBLST-T32FP50 | 03/21 |
ANN-TMIN-PRBLST-T32FP90 | 02/28 |
ANN-TMIN-PRBFST-T32FP10 | 10/29 |
ANN-TMIN-PRBFST-T32FP50 | 11/10 |
ANN-TMIN-PRBFST-T32FP90 | 11/29 |
ANN-TMIN-PRBGSL-T32FP10 | 260.0 |
ANN-TMIN-PRBGSL-T32FP50 | 235.0 |
ANN-TMIN-PRBGSL-T32FP90 | 212.0 |