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Insulation in Gibson: July highs average about 90°F; January lows average about 29°F; the typical home was built around 1969 (63% before 1980).
In Gibson County, July highs average about 90°F and January lows about 29°F, with roughly 54 inches of rain a year.
Over the last 10 years the National Weather Service recorded damaging thunderstorm winds, hailstorms and flash floods in Gibson County, with hail up to 1.75 inches across. After a storm, a quick roof and gutter check catches damage before it turns into a leak.
The typical home in Gibson County was built around 1969, about 57 years ago, and 63% were built before 1980. Homes that age often need updated wiring, plumbing and roofs.
Gibson County has had 19 federal disaster declarations in the last 25 years, most often for severe storms; the latest was Severe Winter Storm (2026).
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Uneven rooms, high bills and an attic you can see the joists in are the signs; older homes often have far too little.
Attic insulation and air-sealing usually pay back fastest.
These are Gibson County figures — more about homes in Milan.
Humboldt · Medina · Milan · Three Way · Trenton · Gadsden · Atwood · Bradford