Wilkes County, Georgia · Washington
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Wilkes County averages 2 nights a year at 20°F or colder, mostly January, and 25% of its homes predate 1960.
Heavy rain days of an inch or more come about 11.3 times a year here, most often in December. A sump pump that hasn't run since last season is a common weak point.
25% 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 Wilkes County, 6.05 inches fell on the wettest day of the 2015–2024 record. Storms like that, and ice dams in snowy winters, cause most roof leaks.
20% of occupied homes in Wilkes County heat mainly with wood or propane, above the Georgia county median of 7.1%.
About 103 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
Wilkes County covers 470 square miles of northern Georgia, with about 9,549 residents and 5,254 homes. Besides Washington, the county seat, the biggest communities are Tignall and Rayle. The county's median home was built in 1977.
57/100 Water Damage Risk Index: Elevated Wilkes County ranks 52 of 159 Georgia counties. See the statewide ranking and method.The three factors where Wilkes County ranks highest compared with other Georgia counties.
Wilkes 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 38 nights at or below 32°F. That ranks 48th of 159 counties.
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 20 and the last spring freeze around Mar 15.
Wilkes gets fewer downpours than most Georgia counties, but they still fill basements. About 11.3 days a year bring an inch or more (117th of 159), most often in December, out of 48 inches of total precipitation. On September 27, 2024, 6.05 inches fell in a single day. Multi-day storms matter most for basements; the wettest three days on record here totaled 8.7 inches (through September 28, 2024).
About 38 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
Georgia's 159 counties range widely in housing age; Wilkes ranks 5th, with 56% of its homes built before 1980.
In Wilkes County 25% of homes are older than 1960. If yours is one of them and the plumbing has never been replaced, expect galvanized steel supply pipe and cast iron drain lines, the two materials most likely to fail quietly.
About 29% 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.
22% of homes are manufactured or mobile homes, close to the Georgia county median of 20.9%. Their water lines run under the floor behind the skirting, so a torn skirt or failed heat tape freezes them faster than lines in a site-built house.
With 21% 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.
Beyond water
Summer nights that don't drop below 65°F, a good marker of humid air, come about 103 times a year here, close to the Georgia county median of 112. Mold grows when indoor humidity stays above about 60%, the EPA's ceiling. A basement dehumidifier set to 50% and drying anything wet within 24 to 48 hours prevents most problems.
Mold remediation: what to expectBy main heating fuel, Wilkes County homes break down as 24% utility gas, 53% electric, 16% propane and 4% wood. Wood and propane heat are more common here than the state median. Have chimneys swept and fuel-burning appliances serviced each fall, and keep three feet clear around stoves and space heaters.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Wilkes County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Wilkes gets more pipe-freeze nights than any of its neighbors. All of its neighbors see more heavy-rain days. Taliaferro County has the oldest housing nearby, with 56% of homes built before 1980.
By the numbers
| Factor | Wilkes | Georgia median | Rank |
|---|---|---|---|
| Homes built before 1960 | 25% | 15% | 14 of 159 |
| Homes built before 1980 | 56% | 38% | 5 of 159 |
| Homes built 2000 or later | 15% | 27% | 152 of 159 |
| Manufactured or mobile homes | 22% | 21% | 76 of 159 |
| Vacant homes | 21% | 14% | 28 of 159 |
| Wood or propane heat | 20% | 7.1% | 23 of 159 |
| Nights at 20°F or colder | 2/yr | 2/yr | 48 of 159 |
| Days with 1 inch+ of rain | 11/yr | 12/yr | 117 of 159 |
| Freeze-thaw days | 38/yr | 29/yr | 47 of 159 |
| Muggy nights (65°F+) | 103/yr | 112/yr | 98 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 Wilkes 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