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Insulation in Welaka: July highs average about 92°F; January lows average about 45°F; the typical home was built around 1985 (41% before 1980).
In Putnam County, July highs average about 92°F and January lows about 45°F, with roughly 53 inches of rain a year. That much heat keeps air conditioners running hard for months, so a yearly tune-up pays off.
Over the last 10 years the National Weather Service recorded damaging thunderstorm winds, floods and hailstorms in Putnam 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 Putnam County was built around 1985, about 41 years ago, and 41% were built before 1980. Homes that age often need updated wiring, plumbing and roofs.
Florida Building Code, 8th Edition (2023). Florida writes its own statewide building code, updated every three years, with strong wind-load rules for roofs, windows and doors.
Putnam County has had 30 federal disaster declarations in the last 25 years, most often for hurricanes; the latest was Railroad Complex Fire (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 Putnam County figures — more about homes in Palatka.
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