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Painting in Union: July highs average about 89°F; about 43 inches of rain fall a year.
In Franklin County, July highs average about 89°F and January lows about 21°F, with roughly 43 inches of rain a year.
Over the last 10 years the National Weather Service recorded damaging thunderstorm winds, hailstorms and tornadoes in Franklin County, with hail up to 3 inches across. After a storm, a quick roof and gutter check catches damage before it turns into a leak.
Franklin County has had 14 federal disaster declarations in the last 25 years, most often for severe storms; the latest was Severe Storms, Straight-Line Winds, Tornadoes, And Wildfires (2025).
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Every 7–10 years for most homes; sooner in strong sun or damp.
Dry, mild days — avoid rain, high humidity and extreme heat.
These are Franklin County figures — more about homes in Washington.
St. Clair · Parkway · Washington · Three Creeks · Augusta · Charmwood · Leslie · Pacific