PaintDays

When to paint a house exterior in Coralville, IA

When to paint in Coralville, IA

A normal season: plan the job, do not leave it late. The painting window is June to September, with 4 good months a year. The best month is August, at about 19 painting days. Book a painter by April.

If you want the house done in June to September, call for quotes in April or earlier; a job pushed past September is likely to wait until next year. For a deck, the months with enough staining days to spare are May, Jun, Jul, Aug, Sep, Oct.

  1. under 1Jan
  2. under 1Feb
  3. under 1Mar
  4. 2Apr
  5. 7May
  6. 13Jun
  7. 16Jul
  8. 19Aug
  9. 16Sep
  10. 4Oct
  11. 1Nov
  12. under 1Dec

Month by month

MonthPainting daysStaining daysWith low-temp paintAvg low / high
Januaryunder 1under 1under 117° / 32°F
Februaryunder 1under 1218° / 38°F
Marchunder 1under 1531° / 52°F
April221340° / 63°F
May761453° / 75°F
June1391363° / 85°F
July16111666° / 86°F
August19161964° / 84°F
September16151958° / 81°F
October441544° / 66°F
November11732° / 51°F
Decemberunder 1under 1123° / 40°F

Deck stain does best in August. Low-temperature paint adds about 46 days a year here.

Towns near Coralville compared

2 of the 6 nearest places get more painting days, the most in Muscatine (86 a year, 33 miles southeast); 2 get fewer, down to 70 a year. A gap like that between towns is usually elevation, a coast or a lake, which is why a painter from a few towns over can be on a different schedule. North Liberty, Iowa City are read from the same station as Coralville, so their numbers match; the real difference is the distance from that station.

PlaceFrom CoralvillePainting days a yearWindowStation
North Liberty, IA3 mi north78June to Septembersame station
Iowa City, IA5 mi southeast78June to Septembersame station
Cedar Rapids, IA19 mi north70June to SeptemberThe Eastern Iowa Airport
Marion, IA24 mi north70June to SeptemberThe Eastern Iowa Airport
Muscatine, IA33 mi southeast86June to SeptemberDavenport Municipal Airpt
Davenport, IA52 mi east86June to SeptemberDavenport Municipal Airpt

How Coralville ranks in IA

Of 41 IA places with 10,000 people or more, Coralville (population 23,959, 23rd largest) ranks 9th for painting days, 6 days above the state median of 72. The longest season in the state is Council Bluffs, 118 days, 223 miles west. The shortest is Le Mars at 54. Switching to low-temperature paint here is worth 46 extra days, more than most of the summer months on their own.

Where these numbers come from

Daily records from Iowa City Municipal Airport (5.3 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.