Hall County, Georgia · Gainesville
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Hall County averages 3 nights a year at 20°F or colder, mostly January, and 8% of its homes predate 1960.
Heavy rain days of an inch or more come about 16.4 times a year here, most often in December. A sump pump that hasn't run since last season is a common weak point.
Backups often follow heavy rain, which Hall County gets about 16.4 days a year, when storm water overloads sewer mains and pushes up through the lowest drain in the house.
Roof leaks here come from summer downpours and, with about 45 freeze-thaw days a year, from winter ice dams. Most show up as ceiling stains in the room below.
4% of occupied homes in Hall County heat mainly with wood or propane, below the Georgia county median of 7.1%.
About 84 nights a year here stay at 65°F or warmer, so basements and crawl spaces can grow mold even without a leak.
Local risk profile
Hall County covers 392 square miles of northern Georgia, with about 212,705 residents and 80,926 homes. Gainesville is the county seat; Flowery Branch, Oakwood and Lula are the next largest communities. Much of its housing is recent, with a median build year of 1996.
56/100 Water Damage Risk Index: Elevated Hall County ranks 54 of 159 Georgia counties. See the statewide ranking and method.The three factors where Hall County ranks highest compared with other Georgia counties.
Hall is on the colder side of Georgia for pipes. In the 2015–2024 record the county logged about 3 nights a year at or below 20°F (25th of 159) and 46 below freezing. Twenty degrees is roughly where uninsulated pipes start to freeze.
The freeze season here runs January, with January the coldest. If you travel then, leave the thermostat at 55°F or above and open sink cabinets on outside walls.
On average the first fall freeze arrives around Nov 15 and the last spring freeze around Mar 23.
Heavy rain is a bigger factor here than in most of Georgia. The county gets about 59.3 inches of rain and melted snow a year, with 16.4 days of an inch or more (9th of 159). Those downpours cluster in January, February and December, when sump pumps and gutters are tested hardest. The wettest day on record brought 5.61 inches on September 27, 2024. Multi-day storms matter most for basements; the wettest three days on record here totaled 8.6 inches (through September 28, 2024).
Freeze-thaw days, below freezing overnight and above it by afternoon, come about 45 times a year here. They're the main driver of ice dams and of water working its way through foundation cracks in late winter.
Housing
Roughly 25% of the county's housing was built before 1980. That puts Hall among the newer housing stocks of Georgia's 159 counties.
Growth since 2000 added 43% of today's homes. In houses that new, the weak points are washing machine hoses, ice maker lines, water heaters and sump pumps rather than the pipes in the walls.
About 32% of homes went up between 1980 and 1999. Some houses from the late 1970s to the mid-1990s were plumbed with polybutylene, a gray plastic pipe known for failing at fittings. A plumber can tell you in a few minutes whether you have it.
Here 8% of housing is manufactured homes. Check the skirting and the heat tape on the main water line every fall, because that one exposed line is what freezes.
Beyond water
Summer nights that don't drop below 65°F, a good marker of humid air, come about 84 times a year here, below the Georgia county median of 112. The EPA recommends keeping indoor humidity below 60%, ideally 30 to 50%. Basements can pass 60% on their own in summer, so a dehumidifier matters even without a leak, and anything wet should be dried within 24 to 48 hours.
Mold remediation: what to expectBy main heating fuel, Hall County homes break down as 29% utility gas, 67% electric, 3% propane and under 1% wood. Fires here are likelier to start in the kitchen or the wiring than in the furnace. After any fire, keep the HVAC off until ducts are checked, or soot will travel through the house.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Hall County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Dawson, Forsyth, Habersham, Lumpkin and White get more pipe-freeze nights than Hall. Habersham County has the oldest housing nearby, with 29% of homes built before 1980.
By the numbers
| Factor | Hall | Georgia median | Rank |
|---|---|---|---|
| Homes built before 1960 | 8.4% | 15% | 123 of 159 |
| Homes built before 1980 | 25% | 38% | 126 of 159 |
| Homes built 2000 or later | 43% | 27% | 22 of 159 |
| Manufactured or mobile homes | 8.3% | 21% | 126 of 159 |
| Vacant homes | 9.1% | 14% | 122 of 159 |
| Wood or propane heat | 3.7% | 7.1% | 109 of 159 |
| Nights at 20°F or colder | 3/yr | 2/yr | 25 of 159 |
| Days with 1 inch+ of rain | 16/yr | 12/yr | 9 of 159 |
| Freeze-thaw days | 45/yr | 29/yr | 27 of 159 |
| Muggy nights (65°F+) | 84/yr | 112/yr | 140 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 Hall County: freezing from January, heavy rain in January, February 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