When to paint a house exterior in Glen Carbon, IL
When to paint in Glen Carbon, IL
A normal season: plan the job, do not leave it late. The painting window is May to September, with 5 good months a year. The best month is August, at about 19 painting days. Book a painter by March.
If you want the house done in May to September, call for quotes in March 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.
- under 1Jan
- under 1Feb
- 1Mar
- 5Apr
- 15May
- 17Jun
- 18Jul
- 19Aug
- 18Sep
- 8Oct
- 1Nov
- under 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | under 1 | under 1 | 2 | 24° / 40°F |
| February | under 1 | under 1 | 4 | 27° / 47°F |
| March | 1 | 1 | 8 | 36° / 57°F |
| April | 5 | 4 | 17 | 43° / 67°F |
| May | 15 | 15 | 22 | 56° / 77°F |
| June | 17 | 16 | 17 | 64° / 86°F |
| July | 18 | 17 | 18 | 67° / 87°F |
| August | 19 | 19 | 20 | 65° / 84°F |
| September | 18 | 17 | 22 | 59° / 82°F |
| October | 8 | 8 | 22 | 46° / 69°F |
| November | 1 | 1 | 8 | 35° / 55°F |
| December | under 1 | under 1 | 2 | 30° / 46°F |
Deck stain does best in August. Low-temperature paint adds about 58 days a year here.
Towns near Glen Carbon compared
4 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. Edwardsville, Wood River are read from the same station as Glen Carbon, so their numbers match; the real difference is the distance from that station.
| Place | From Glen Carbon | Painting days a year | Window | Station |
|---|---|---|---|---|
| Edwardsville, IL | 2 mi north | 103 | May to September | same station |
| Troy, IL | 5 mi southeast | 70 | August to September | Scott Air Force Base/Midameri |
| Collinsville, IL | 6 mi south | 75 | August to September | St Louis Downtown Airport |
| Granite City, IL | 8 mi west | 75 | August to September | St Louis Downtown Airport |
| Wood River, IL | 9 mi northwest | 103 | May to September | same station |
| Fairview Heights, IL | 11 mi south | 75 | August to September | St Louis Downtown Airport |
How Glen Carbon ranks in IL
Of 225 IL places with 10,000 people or more, Glen Carbon (population 13,883, 179th largest) ranks 8th for painting days, 26 days above the state median of 77. The longest season in the state is Chicago, 131 days, 245 miles northeast. The shortest is Woodstock at 65. Switching to low-temperature paint here is worth 58 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from St Louis Regional Airport (9.3 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.