Halifax County, Virginia · Halifax
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Halifax County averages 10 nights a year at 20°F or colder, mostly December to February, and 28% of its homes predate 1960.
May brings the most downpours to Halifax County, part of 11.2 heavy-rain days a year. Check the sump first.
28% 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 Halifax County, 4.1 inches fell on the wettest day of the 2015–2024 record. Storms like that, and ice dams in snowy winters, cause most roof leaks.
19% of occupied homes in Halifax County heat mainly with wood or propane, above the Virginia county median of 11.9%.
With 72 muggy nights a year, mold in Halifax County can appear within days of a leak. Dry first, then clean.
Local risk profile
Halifax County covers 818 square miles of southern Virginia, with about 33,639 residents and 17,443 homes. Besides Halifax, the county seat, the biggest communities are South Boston, Mountain Road and Riverdale. The county's median home was built in 1974.
64/100 Water Damage Risk Index: Elevated Halifax County ranks 6 of 95 Virginia counties. See the statewide ranking and method.The three factors where Halifax County ranks highest compared with other Virginia counties.
Halifax County is milder than most of Virginia, but not mild enough to skip winterizing. It averaged 79 freezing nights a year over 2015–2024, 10 of them at 20°F or colder, cold enough for pipes in outside walls and crawl spaces to freeze. Among 95 Virginia counties that's 65th.
The longest cold spell was straight 3 days without the temperature rising above freezing, ending in January 2017. The coldest night reached about 0°F on February 20, 2015. Burst pipes usually show up when a spell like that breaks and the ice thaws.
The freeze season here runs December to February, 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 4 and the last spring freeze around Apr 10.
Heavy rain is a bigger factor here than in most of Virginia. The county gets about 48.8 inches of rain and melted snow a year, with 11.2 days of an inch or more (15th of 95). Those downpours cluster in May, June and September, when sump pumps and gutters are tested hardest. The wettest day on record brought 4.1 inches on October 12, 2018. Multi-day storms matter most for basements; the wettest three days on record here totaled 7.01 inches (through June 18, 2020).
The temperature crosses 32°F in both directions on roughly 76 days a year. Each cycle melts and refreezes water at roof edges and in foundation cracks, which is how ice dams and basement seepage get started.
Housing
59% of homes in Halifax County predate 1980, above the Virginia county median of 46.2%, which ranks 10th of Virginia's 95 counties.
Before 1960 is when 28% 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.
Here 18% 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.
The Census counted 22% of homes as vacant, above the Virginia county median of 15%. Empty houses are where a small leak turns into a large claim, because nobody is there to hear it.
Beyond water
Summer nights that don't drop below 65°F, a good marker of humid air, come about 72 times a year here, above the Virginia county median of 64. 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, Halifax County homes break down as 2% utility gas, 68% electric, 13% propane and 5% wood. Wood and propane heat are more common here than in most Virginia counties. Heating equipment is one of the leading causes of home fires nationally, and the NFPA recommends having chimneys and vents inspected every year.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Halifax County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Campbell and Pittsylvania get more pipe-freeze nights than Halifax. Its housing is the oldest in the area by share of homes built before 1980.
By the numbers
| Factor | Halifax | Virginia median | Rank |
|---|---|---|---|
| Homes built before 1960 | 28% | 20% | 16 of 95 |
| Homes built before 1980 | 59% | 46% | 10 of 95 |
| Homes built 2000 or later | 15% | 25% | 88 of 95 |
| Manufactured or mobile homes | 18% | 9.6% | 27 of 95 |
| Vacant homes | 22% | 15% | 21 of 95 |
| Wood or propane heat | 19% | 12% | 24 of 95 |
| Nights at 20°F or colder | 10/yr | 14/yr | 65 of 95 |
| Days with 1 inch+ of rain | 11/yr | 10/yr | 15 of 95 |
| Freeze-thaw days | 76/yr | 77/yr | 49 of 95 |
| Muggy nights (65°F+) | 72/yr | 64/yr | 36 of 95 |
Rank 1 is the highest value. Bars run from the lowest to the highest Virginia county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Halifax County: freezing from December to February, heavy rain in May, June and September.
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