Jasper County, Mississippi · Bay Springs
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Jasper County averages 2 nights a year at 20°F or colder, mostly January, and 12% of its homes predate 1960.
Heavy rain days of an inch or more come about 17.2 times a year here, most often in April. A sump pump that hasn't run since last season is a common weak point.
12% 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 Jasper County, 5.69 inches fell on the wettest day of the 2015–2024 record. Storms like that, and ice dams in snowy winters, cause most roof leaks.
15% of occupied homes in Jasper County heat mainly with wood or propane, close to the Mississippi county median of 15.1%.
Muggy summer nights, lows of 65°F or more, come about 123 times a year in Jasper County. Mold after a leak spreads fastest from June through August.
Local risk profile
About 16,059 people live in Jasper County, 676 square miles in eastern Mississippi, in roughly 8,133 homes. Bay Springs is the county seat; Heidelberg, Louin and Montrose are the next largest communities. Much of its housing is recent, with a median build year of 1989.
43/100 Water Damage Risk Index: Moderate Jasper County ranks 58 of 82 Mississippi counties. See the statewide ranking and method.The three factors where Jasper County ranks highest compared with other Mississippi counties.
For frozen pipes, Jasper County is a typical Mississippi county, which is still plenty. 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 34 nights at or below 32°F. That ranks 47th of 82 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 15 and the last spring freeze around Mar 10.
Heavy rain is a bigger factor here than in most of Mississippi. The county gets about 61.8 inches of rain and melted snow a year, with 17.2 days of an inch or more (23rd of 82). Those downpours cluster in January, February and April, when sump pumps and gutters are tested hardest. The wettest day on record brought 5.69 inches on March 11, 2016. Multi-day storms matter most for basements; the wettest three days on record here totaled 7.19 inches (through March 12, 2016).
About 34 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
Mississippi's 82 counties range widely in housing age; Jasper ranks 70th, with 33% of its homes built before 1980.
31% of homes were built in 2000 or later, more than in most of Mississippi. Newer plumbing rarely corrodes, so damage here tends to come from appliance supply lines, water heaters, sump pumps and storms.
About 36% 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.
33% of homes are manufactured or mobile homes, above the Mississippi county median of 20%. 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
Jasper County averages 123 warm, muggy nights a year (lows of 65°F or more) and gets the most rain in April. Keep indoor humidity under 60%, as the EPA advises, and dry any leak within 24 to 48 hours; in a humid month a wet basement left alone won't dry by itself.
Mold remediation: what to expectBy main heating fuel, Jasper County homes break down as 7% utility gas, 76% electric, 14% propane and 2% 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 Jasper County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Newton and Smith get more pipe-freeze nights than Jasper. Jones County has the oldest housing nearby, with 48% of homes built before 1980.
By the numbers
| Factor | Jasper | Mississippi median | Rank |
|---|---|---|---|
| Homes built before 1960 | 12% | 15% | 56 of 82 |
| Homes built before 1980 | 33% | 45% | 70 of 82 |
| Homes built 2000 or later | 31% | 23% | 18 of 82 |
| Manufactured or mobile homes | 33% | 20% | 6 of 82 |
| Vacant homes | 18% | 17% | 31 of 82 |
| Wood or propane heat | 15% | 15% | 41 of 82 |
| Nights at 20°F or colder | 2/yr | 3/yr | 47 of 82 |
| Days with 1 inch+ of rain | 17/yr | 16/yr | 23 of 82 |
| Freeze-thaw days | 34/yr | 32/yr | 35 of 82 |
| Muggy nights (65°F+) | 123/yr | 125/yr | 44 of 82 |
Rank 1 is the highest value. Bars run from the lowest to the highest Mississippi county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Jasper County: freezing from January, heavy rain in January, February and April.
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