PaintDays

When to paint a house exterior in Shiloh, IL

When to paint in Shiloh, 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 May, Jun, Jul, Aug, Sep, Oct.

  1. under 1Jan
  2. under 1Feb
  3. 1Mar
  4. 4Apr
  5. 11May
  6. 10Jun
  7. 9Jul
  8. 13Aug
  9. 14Sep
  10. 7Oct
  11. 1Nov
  12. under 1Dec

Month by month

MonthPainting daysStaining daysWith low-temp paintAvg low / high
Januaryunder 1under 1225° / 42°F
Februaryunder 1under 1327° / 48°F
March11737° / 59°F
April431346° / 69°F
May1181557° / 78°F
June1091066° / 88°F
July96969° / 89°F
August1391367° / 86°F
September14131760° / 84°F
October761948° / 72°F
November11836° / 57°F
Decemberunder 1under 1230° / 49°F

Deck stain does best in September. Low-temperature paint adds about 49 days a year here.

Towns near Shiloh compared

2 of the 6 nearest places get more painting days, the most in Fairview Heights (75 a year, 6 miles northwest). 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. O'Fallon, Swansea, Belleville, Troy are read from the same station as Shiloh, so their numbers match; the real difference is the distance from that station.

PlaceFrom ShilohPainting days a yearWindowStation
O'Fallon, IL3 mi north70August to Septembersame station
Swansea, IL4 mi west70August to Septembersame station
Belleville, IL5 mi southwest70August to Septembersame station
Fairview Heights, IL6 mi northwest75August to SeptemberSt Louis Downtown Airport
Collinsville, IL10 mi northwest75August to SeptemberSt Louis Downtown Airport
Troy, IL12 mi north70August to Septembersame station

How Shiloh ranks in IL

Of 225 IL places with 10,000 people or more, Shiloh (population 14,754, 166th largest) ranks 204th for painting days, 7 days below the state median of 77. The longest season in the state is Chicago, 131 days, 256 miles northeast. The shortest is Woodstock at 65. Switching to low-temperature paint here is worth 49 extra days, more than most of the summer months on their own.

Where these numbers come from

Daily records from Scott Air Force Base/Midameri (3.5 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.