Bibb County, Georgia · Macon
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Bibb County averages 2 nights a year at 20°F or colder, mostly January, and 27% of its homes predate 1960.
December brings the most downpours to Bibb County, part of 9.9 heavy-rain days a year. Check the sump first.
27% of homes here predate 1960, when clay and cast iron sewer laterals were standard. Roots and cracks in those lines are a common cause of backups.
In Bibb County, 6.55 inches fell on the wettest day of the 2015–2024 record. Storms like that, and ice dams in snowy winters, cause most roof leaks.
2% of occupied homes in Bibb County heat mainly with wood or propane, below the Georgia county median of 7.1%.
Muggy summer nights, lows of 65°F or more, come about 110 times a year in Bibb County. Mold after a leak spreads fastest from June through August.
Local risk profile
Bibb County covers 249 square miles of central Georgia, with about 156,578 residents and 71,962 homes. Besides Macon, the county seat, the biggest community is Macon-Bibb County. The county's median home was built in 1977.
55/100 Water Damage Risk Index: Elevated Bibb County ranks 56 of 159 Georgia counties. See the statewide ranking and method.The three factors where Bibb County ranks highest compared with other Georgia counties.
Bibb is on the colder side of Georgia for pipes. From 2015–2024 it averaged 2 nights a year at 20°F or colder, the range where pipes in exterior walls, crawl spaces and unheated garages freeze, and 29 nights at or below 32°F. That ranks 48th of 159 counties.
Expect the hardest freezes in January, inside a season that runs January. That's when an outdoor spigot left connected to a hose, or a pipe in a crawl space, is most likely to split.
On average the first fall freeze arrives around Nov 17 and the last spring freeze around Mar 11.
Bibb gets fewer downpours than most Georgia counties, but they still fill basements. About 9.9 days a year bring an inch or more (149th of 159), most often in December, out of 48.8 inches of total precipitation. On September 17, 2020, 6.55 inches fell in a single day. Multi-day storms matter most for basements; the wettest three days on record here totaled 7.33 inches (through September 18, 2020).
About 29 days a year swing from below freezing at night to above freezing by day. Those freeze-thaw cycles feed ice dams on roofs, open cracks in foundations and driveways, and stress pipes that are already marginal.
Housing
55% of homes in Bibb County predate 1980, above the Georgia county median of 38.4%, which ranks 7th of Georgia's 159 counties.
Before 1960 is when 27% of these homes went up. Galvanized supply lines and cast iron drains were standard then, and after 60-plus years both corrode and crack, often out of sight inside a wall or under a slab.
The 1980s and 1990s account for 26% of the county's homes. If yours is from those decades, look under the sinks and at the water heater for gray plastic pipe stamped PB, which is polybutylene and leak-prone.
With 17% of homes empty at survey time, landlords and seasonal owners should shut off the main or schedule checks in winter. An unheated vacant house is also where many policies limit freeze coverage.
Renters occupy 49% of homes. If you rent, the building is usually the landlord's to repair, but your belongings are only covered by renters insurance.
Beyond water
Bibb County averages 110 warm, muggy nights a year (lows of 65°F or more) and gets the most rain in December. Keep indoor humidity under 60%, as the EPA advises, and dry any leak within 24 to 48 hours; in a humid month a wet basement left alone won't dry by itself.
Mold remediation: what to expectHeating fuel matters for fire risk. In Bibb County it's 32% utility gas, 65% electric, 2% propane and under 1% wood. Most homes here heat with gas or electricity, so cooking and electrical faults are the likelier fire sources. Even a contained kitchen fire can send soot through the ductwork to every room.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Bibb County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Bibb gets more pipe-freeze nights than any of its neighbors. All of its neighbors see more heavy-rain days. Its housing is the oldest in the area by share of homes built before 1980.
By the numbers
| Factor | Bibb | Georgia median | Rank |
|---|---|---|---|
| Homes built before 1960 | 27% | 15% | 7 of 159 |
| Homes built before 1980 | 55% | 38% | 7 of 159 |
| Homes built 2000 or later | 19% | 27% | 127 of 159 |
| Manufactured or mobile homes | 2.6% | 21% | 152 of 159 |
| Vacant homes | 17% | 14% | 58 of 159 |
| Wood or propane heat | 1.8% | 7.1% | 146 of 159 |
| Nights at 20°F or colder | 2/yr | 2/yr | 48 of 159 |
| Days with 1 inch+ of rain | 9.9/yr | 12/yr | 149 of 159 |
| Freeze-thaw days | 29/yr | 29/yr | 78 of 159 |
| Muggy nights (65°F+) | 110/yr | 112/yr | 83 of 159 |
Rank 1 is the highest value. Bars run from the lowest to the highest Georgia county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Bibb County: freezing from January, heavy rain in January, April and December.
Sources: U.S. Census Bureau, ACS 2024 5-year estimates (2020-2024); weather from NOAA nClimGrid-Daily county averages (EpiNOAA), 2015–2024, averaged across the county; county boundaries from Census TIGER. Reviewed 2026-10-21. Methodology