Washington County, Virginia · Abingdon
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Washington County averages 19 nights a year at 20°F or colder, mostly November to March, and 18% of its homes predate 1960.
Basements flood here mostly in February. Washington County averages 7.9 days a year with an inch of rain or more.
Sewage backups in Washington County spike on heavy-rain days, about 7.9 a year, when sewer mains fill up and water finds the lowest drain.
Roof leaks here come from summer downpours and, with about 87 freeze-thaw days a year, from winter ice dams. Most show up as ceiling stains in the room below.
7% of occupied homes in Washington County heat mainly with wood or propane, below the Virginia county median of 11.9%.
Muggy summer nights, lows of 65°F or more, come about 17 times a year in Washington County. Mold after a leak spreads fastest from June through August.
Local risk profile
Washington County covers 561 square miles of southwest Virginia, with about 53,926 residents and 25,570 homes. The county seat is Abingdon, and Glade Spring, Emory and Meadowview round out the largest towns. Half the homes here were built before 1983, half after.
40/100 Water Damage Risk Index: Moderate Washington County ranks 80 of 95 Virginia counties. See the statewide ranking and method.The three factors where Washington County ranks highest compared with other Virginia counties.
Washington County gets more hard-freeze nights than most of Virginia. In the 2015–2024 record the county logged about 19 nights a year at or below 20°F (26th of 95) and 94 below freezing. Twenty degrees is roughly where uninsulated pipes start to freeze.
The longest cold spell was straight 7 days without the temperature rising above freezing, ending in January 2018. The coldest night reached about -9°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 November to March, with January the coldest. If you travel then, leave the thermostat at 55°F or above and open sink cabinets on outside walls.
Freezing nights typically start around Oct 27 and end around Apr 20.
Washington gets fewer downpours than most Virginia counties, but they still fill basements. The county gets about 49.7 inches of rain and melted snow a year, with 7.9 days of an inch or more (80th of 95). Those downpours cluster in February, April and October, when sump pumps and gutters are tested hardest. The wettest day on record brought 3.43 inches on September 26, 2024. The worst three-day stretch dropped 6.93 inches, ending September 28, 2024, the kind of soaking that overwhelms sump pumps and storm sewers.
Freeze-thaw days, below freezing overnight and above it by afternoon, come about 87 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
47% of homes in Washington County predate 1980, close to the Virginia county median of 46.2%, which ranks 45th of Virginia's 95 counties.
The mix runs from 18% built before 1960 to 21% built since 2000, so older neighborhoods bring aging pipe while newer subdivisions bring failed appliance lines and water heaters.
32% 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.
Manufactured and mobile homes make up 13% of the housing here. Water lines in the underbelly depend on intact skirting and working heat tape, and they're usually the first to freeze in a cold snap.
Beyond water
Washington County averages 17 warm, muggy nights a year (lows of 65°F or more) and gets the most rain in February. 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, Washington County homes break down as 8% utility gas, 81% electric, 4% propane and 3% 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 Washington County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Grayson, Russell and Smyth get more pipe-freeze nights than Washington. Smyth County has the oldest housing nearby, with 62% of homes built before 1980.
By the numbers
| Factor | Washington | Virginia median | Rank |
|---|---|---|---|
| Homes built before 1960 | 18% | 20% | 56 of 95 |
| Homes built before 1980 | 47% | 46% | 45 of 95 |
| Homes built 2000 or later | 21% | 25% | 68 of 95 |
| Manufactured or mobile homes | 13% | 9.6% | 38 of 95 |
| Vacant homes | 14% | 15% | 52 of 95 |
| Wood or propane heat | 6.6% | 12% | 79 of 95 |
| Nights at 20°F or colder | 19/yr | 14/yr | 26 of 95 |
| Days with 1 inch+ of rain | 7.9/yr | 10/yr | 80 of 95 |
| Freeze-thaw days | 87/yr | 77/yr | 18 of 95 |
| Muggy nights (65°F+) | 17/yr | 64/yr | 82 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 Washington County: freezing from November to March, heavy rain in February, April and October.
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