Photo: formulanone · CC BY-SA 2.0Summer afternoons in Macon-Bibb County are warmer than in 87% of U.S. towns
Midwinter brings lows of about 35°. In January, nights here are milder than in 79% of U.S. towns. Since 1901–2000, the year has warmed by 0.7°, most of all in December. Tender plants can go out after about March 21; in half of years the first frost comes by November 10.
A year in Macon-Bibb County at a glance
Each month’s typical high and low, and what it brings.
What stands out about Macon-Bibb County’s climate
Compared with towns across the U.S., with Macon-Bibb County’s place in Georgia beside it.
What a year in Macon-Bibb County feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 235 frost-free days a year
In half of years the last 32° night comes by March 21 and the first by November 10. Frost and day counts come from Macon Middle Ga Rgnl Airport, Macon-Bibb County’s official weather station (the one in National Weather Service reports), 9 miles from the city’s center point, at about the same height.
The 2023 USDA map puts Macon-Bibb County’s center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 17°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 47 inches of rain a year
July is the wettest month and October the driest. Rain falls on about 110 days a year. Snow is rare: about 0.0" in a normal year at Warner Robins, GA, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Macon-Bibb County
48% of the work is heating, so air conditioning is the bigger bill. Months averaging under 55° run from November through February.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Macon Middle Ga Rgnl Airport.
Living with Macon-Bibb County’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
235 frost-free days in zone 8b. The last frost comes by Mar 21 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 10.
Months with highs of 62–84° and lows of 40° or more: March, April, October and November. 58 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Macon-Bibb County from natural hazards, river flooding is the largest share (51%); heat waves, cold waves, winter storms and ice storms together are 14%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Macon-Bibb County and its neighbors
Every town next door is within a degree of Macon-Bibb County in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Macon-Bibb County’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Macon-Bibb County, GA | 35° | 92° | 47" | 0.0" |
| Darlington, SC | 34° | 92° | 47" | 0.0" |
| Whitehouse, TX | 36° | 93° | 46" | 0.2" |
| Rockingham, NC | 32° | 91° | 47" | 0.5" |
| Montgomery, AL | 36° | 92° | 52" | 0.3" |
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Macon-Bibb County averaged 0.7° warmer than the 1900s. The biggest change is in December (+1.9°).
A smaller shift than in 92% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods. In a city of 158,000 people, part of the change is the city itself: pavement and buildings hold heat (the urban heat island).
How Macon-Bibb County compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Macon-Bibb County’s place among Georgia’s.
Macon-Bibb County weather by month
Highs, lows and precipitation from NOAA’s grid at Macon-Bibb County’s center; snow, wet days and snow on the ground from Warner Robins, GA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 58° | 35° | 4.3" | 0.0" | 10 | 0 | 39° – 53° |
| February | 62° | 38° | 4.2" | 0.0" | 9 | 0 | 42° – 59° |
| March | 70° | 44° | 4.5" | 0.0" | 10 | 0 | 51° – 65° |
| April | 77° | 50° | 3.6" | 0.0" | 8 | 0 | 59° – 68° |
| May | 84° | 59° | 2.8" | 0.0" | 7 | 0 | 67° – 76° |
| June | 90° | 67° | 4.3" | 0.0" | 11 | 0 | 74° – 82° |
| July | 92° | 70° | 4.7" | 0.0" | 11 | 0 | 78° – 84° |
| August | 91° | 70° | 4.4" | 0.0" | 11 | 0 | 77° – 84° |
| September | 86° | 64° | 3.6" | 0.0" | 8 | 0 | 72° – 81° |
| October | 77° | 53° | 2.7" | 0.0" | 7 | 0 | 61° – 70° |
| November | 68° | 42° | 3.3" | 0.0" | 7 | 0 | 49° – 61° |
| December | 60° | 37° | 4.6" | 0.0" | 11 | 0 | 40° – 59° |
| Year | 76° | 52° | 47.0" | 0.0" | 110 | 0 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 40° to 59°. July is the most reliable, staying within 6°.
Where Macon-Bibb County’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Macon-Bibb County’s center.
- Snow: Warner Robins, GA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Macon Middle Ga Rgnl Airport, 9 miles from the city’s center point, at about the same height; the city’s official station.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Macon-Bibb County’s climate
What is the weather like in Macon-Bibb County?
A typical July afternoon reaches 92°, a January night drops to 35°, and snow is almost unheard of. Milder January nights than 79% of U.S. towns; hotter July afternoons than 87% of U.S. towns.
How cold does it get in Macon-Bibb County in winter?
January nights average 35°. About 44 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 39°.
How much snow does Macon-Bibb County get?
About 0.0 inches in a normal winter at Warner Robins, GA, so most winters see none.
How hot does it get in Macon-Bibb County?
July, with a typical high of 92° and a low of 70°. About 85 days a year reach 90° and 4 reach 100° (Macon Middle Ga Rgnl Airport).
When is the first and last frost in Macon-Bibb County?
In half of years the last spring frost (32°) comes by March 21 and the first fall frost by November 10, about 235 frost-free days, at Macon Middle Ga Rgnl Airport.
What growing zone is Macon-Bibb County in?
Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 17°.
What is the best time of year to visit Macon-Bibb County?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Macon-Bibb County getting warmer?
Yes: 1991–2020 averaged 0.7° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 92% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Macon-Bibb County.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.