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Insulation in Cottonwood: July highs average about 79°F; January lows average about 18°F.

Weather and your home

In Idaho County, July highs average about 79°F and January lows about 18°F, with roughly 37 inches of rain a year. Long, cold winters put furnaces and pipes to the test.

Storms

Over the last 10 years the National Weather Service recorded hailstorms, damaging thunderstorm winds and flash floods in Idaho County, with hail up to 2.75 inches across. After a storm, a quick roof and gutter check catches damage before it turns into a leak.

Disaster history

Idaho County has had 12 federal disaster declarations in the last 25 years, most often for floods; the latest was Straight-Line Winds (2026).

Services

Roof repair in Cottonwood · AC & heating repair in Cottonwood · Plumbing in Cottonwood · Electrical in Cottonwood · Gutters in Cottonwood · Pest control in Cottonwood · Lawn care in Cottonwood · Pool service in Cottonwood · Siding in Cottonwood · Windows & doors in Cottonwood · Solar in Cottonwood · Generators in Cottonwood · Insulation in Cottonwood · Remodeling in Cottonwood · Kitchen remodeling in Cottonwood · Bathroom remodeling in Cottonwood · Painting in Cottonwood · Flooring in Cottonwood · Drywall in Cottonwood · Concrete & pavers in Cottonwood · Fencing in Cottonwood · Decks in Cottonwood · Tree service in Cottonwood · Pressure washing in Cottonwood · House cleaning in Cottonwood · Junk removal in Cottonwood · Garage doors in Cottonwood · Appliance repair in Cottonwood · Water & mold restoration in Cottonwood · Foundation repair in Cottonwood · Handyman in Cottonwood

Questions

How do I know my home needs insulation?

Uneven rooms, high bills and an attic you can see the joists in are the signs; older homes often have far too little.

What gives the best return?

Attic insulation and air-sealing usually pay back fastest.

These are Idaho County figures — more about homes in Grangeville.

Nearby

Ferdinand · Nezperce · Grangeville · Craigmont · Stites · Winchester · Kooskia · Kamiah