Pittsylvania County, Virginia · Chatham
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Pittsylvania County averages 12 nights a year at 20°F or colder, mostly December to February, and 22% of its homes predate 1960.
May brings the most downpours to Pittsylvania County, part of 12.1 heavy-rain days a year. Check the sump first.
Backups often follow heavy rain, which Pittsylvania County gets about 12.1 days a year, when storm water overloads sewer mains and pushes up through the lowest drain in the house.
In Pittsylvania County, 4.36 inches fell on the wettest day of the 2015–2024 record. Storms like that, and ice dams in snowy winters, cause most roof leaks.
17% of occupied homes in Pittsylvania County heat mainly with wood or propane, above the Virginia county median of 11.9%.
About 64 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
About 59,856 people live in Pittsylvania County, 969 square miles in southern Virginia, in roughly 29,443 homes. The county seat is Chatham, and Mount Hermon, Gretna and Hurt round out the largest towns. Half the homes here were built before 1981, half after.
59/100 Water Damage Risk Index: Elevated Pittsylvania County ranks 23 of 95 Virginia counties. See the statewide ranking and method.The three factors where Pittsylvania County ranks highest compared with other Virginia counties.
Pipe-freeze risk in Pittsylvania County sits near the middle of the state. It averaged 82 freezing nights a year over 2015–2024, 12 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 55th.
Cold snaps are the real risk. The worst in the record lasted 4 days below freezing (ending January 2018), and the low bottomed out near -1°F on February 20, 2015.
Expect the hardest freezes in January, inside a season that runs December to February. That's when an outdoor spigot left connected to a hose, or a pipe in a crawl space, is most likely to split.
Freezing nights typically start around Nov 4 and end around Apr 9.
Heavy rain is a bigger factor here than in most of Virginia. Of roughly 50.2 inches of yearly precipitation, the damage comes from the 12.1 days a year with an inch or more, ranked 7th of 95. May, June and September see the most. The single wettest day in the record: 4.36 inches, August 9, 2024. The worst three-day stretch dropped 5.1 inches, ending August 10, 2024, the kind of soaking that overwhelms sump pumps and storm sewers.
About 79 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
Roughly 48% of the county's housing was built before 1980. That puts Pittsylvania near the middle of Virginia's 95 counties.
Housing age is mixed: 22% of homes are pre-1960 and 18% are 2000 or newer. Ask any plumber which era your house is from and you'll know which failures to watch for.
34% date from 1980 to 1999, the window when polybutylene, a gray flexible plastic supply pipe, was used in some homes. It's prone to leaks at the fittings, so it's worth checking for in a house from those years.
18% of homes are manufactured or mobile homes, above the Virginia county median of 9.6%. 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.
Beyond water
About 64 nights a year in Pittsylvania County stay at 65°F or warmer, a sign of muggy summer air (48th of 95 counties). May is the wettest month. 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, Pittsylvania County homes break down as 4% utility gas, 70% electric, 14% propane and 3% wood. Propane heat is 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 Pittsylvania County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Bedford and Franklin get more pipe-freeze nights than Pittsylvania. Henry County has the oldest housing nearby, with 63% of homes built before 1980.
By the numbers
| Factor | Pittsylvania | Virginia median | Rank |
|---|---|---|---|
| Homes built before 1960 | 22% | 20% | 43 of 95 |
| Homes built before 1980 | 48% | 46% | 39 of 95 |
| Homes built 2000 or later | 18% | 25% | 80 of 95 |
| Manufactured or mobile homes | 18% | 9.6% | 25 of 95 |
| Vacant homes | 15% | 15% | 48 of 95 |
| Wood or propane heat | 17% | 12% | 31 of 95 |
| Nights at 20°F or colder | 12/yr | 14/yr | 55 of 95 |
| Days with 1 inch+ of rain | 12/yr | 10/yr | 7 of 95 |
| Freeze-thaw days | 79/yr | 77/yr | 37 of 95 |
| Muggy nights (65°F+) | 64/yr | 64/yr | 48 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 Pittsylvania 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