When to paint a house exterior in Centralia, IL
When to paint in Centralia, 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 August, 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.
- under 1Jan
- under 1Feb
- 1Mar
- 5Apr
- 11May
- 10Jun
- 10Jul
- 14Aug
- 13Sep
- 7Oct
- 1Nov
- under 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | under 1 | under 1 | 1 | 27° / 42°F |
| February | under 1 | under 1 | 4 | 29° / 49°F |
| March | 1 | 1 | 8 | 38° / 58°F |
| April | 5 | 3 | 13 | 46° / 68°F |
| May | 11 | 9 | 15 | 57° / 78°F |
| June | 10 | 8 | 10 | 66° / 87°F |
| July | 10 | 6 | 10 | 68° / 88°F |
| August | 14 | 14 | 14 | 65° / 86°F |
| September | 13 | 11 | 17 | 59° / 84°F |
| October | 7 | 5 | 17 | 48° / 72°F |
| November | 1 | 1 | 8 | 37° / 58°F |
| December | under 1 | under 1 | 3 | 32° / 49°F |
Deck stain does best in August. Low-temperature paint adds about 47 days a year here.
Towns near Centralia compared
1 gets fewer, down to 68 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.
| Place | From Centralia | Painting days a year | Window | Station |
|---|---|---|---|---|
| Mount Vernon, IL | 18 mi southeast | 68 | August | Mount Vernon Airport |
| Highland, IL | 35 mi northwest | 70 | August to September | Scott Air Force Base/Midameri |
| Shiloh, IL | 43 mi west | 70 | August to September | Scott Air Force Base/Midameri |
| O'Fallon, IL | 43 mi west | 70 | August to September | Scott Air Force Base/Midameri |
| Troy, IL | 44 mi west | 70 | August to September | Scott Air Force Base/Midameri |
| Swansea, IL | 47 mi west | 70 | August to September | Scott Air Force Base/Midameri |
How Centralia ranks in IL
Of 225 IL places with 10,000 people or more, Centralia (population 11,787, 202nd largest) ranks 193rd for painting days, 4 days below the state median of 77. The longest season in the state is Chicago, 131 days, 241 miles north. The shortest is Woodstock at 65. Switching to low-temperature paint here is worth 47 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Centralia Municipal Airport (1.8 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.