PaintDays

When to paint a house exterior in Granite City, IL

When to paint in Granite City, IL

A short season: book early and expect weather delays. The painting window is August to September, with 2 good months a year. The best month is September, at about 14 painting days. Book a painter by June.

If you want the house done in August to September, call for quotes in June 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 Apr, May, Jun, Jul, Aug, Sep, Oct.

  1. under 1Jan
  2. 1Feb
  3. 2Mar
  4. 6Apr
  5. 10May
  6. 10Jun
  7. 9Jul
  8. 14Aug
  9. 14Sep
  10. 8Oct
  11. 2Nov
  12. under 1Dec

Month by month

MonthPainting daysStaining daysWith low-temp paintAvg low / high
Januaryunder 1under 1226° / 43°F
February11528° / 49°F
March22938° / 60°F
April641546° / 70°F
May1071457° / 79°F
June1081066° / 89°F
July96970° / 90°F
August14131467° / 88°F
September14121760° / 85°F
October861948° / 72°F
November221037° / 58°F
Decemberunder 1under 1431° / 49°F

Deck stain does best in August. Low-temperature paint adds about 52 days a year here.

Towns near Granite City compared

2 of the 6 nearest places get more painting days, the most in Glen Carbon (103 a year, 8 miles east); 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. Collinsville, East St. Louis are read from the same station as Granite City, so their numbers match; the real difference is the distance from that station.

PlaceFrom Granite CityPainting days a yearWindowStation
Bellefontaine Neighbors, MO6 mi west70SeptemberLambert-St Louis Internationa
Collinsville, IL7 mi southeast75August to Septembersame station
Jennings, MO7 mi west70SeptemberLambert-St Louis Internationa
East St. Louis, IL8 mi south75August to Septembersame station
Glen Carbon, IL8 mi east103May to SeptemberSt Louis Regional Airport
Edwardsville, IL9 mi northeast103May to SeptemberSt Louis Regional Airport

How Granite City ranks in IL

Of 225 IL places with 10,000 people or more, Granite City (population 26,854, 80th largest) ranks 166th for painting days, 2 days below the state median of 77. The longest season in the state is Chicago, 131 days, 250 miles northeast. The shortest is Woodstock at 65. Switching to low-temperature paint here is worth 52 extra days, more than most of the summer months on their own.

Where these numbers come from

Daily records from St Louis Downtown Airport (11.1 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.