When to paint a house exterior in Charleston, IL
When to paint in Charleston, 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 18 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
- 6Apr
- 13May
- 16Jun
- 17Jul
- 18Aug
- 17Sep
- 9Oct
- 2Nov
- under 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | under 1 | under 1 | 2 | 23° / 38°F |
| February | under 1 | under 1 | 4 | 25° / 43°F |
| March | 1 | 1 | 8 | 35° / 54°F |
| April | 6 | 4 | 14 | 44° / 65°F |
| May | 13 | 9 | 17 | 56° / 76°F |
| June | 16 | 13 | 16 | 64° / 85°F |
| July | 17 | 13 | 17 | 67° / 85°F |
| August | 18 | 14 | 18 | 65° / 84°F |
| September | 17 | 13 | 20 | 59° / 81°F |
| October | 9 | 8 | 20 | 48° / 69°F |
| November | 2 | 2 | 9 | 36° / 54°F |
| December | under 1 | under 1 | 3 | 29° / 44°F |
Deck stain does best in August. Low-temperature paint adds about 48 days a year here.
Towns near Charleston 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. Mattoon, Effingham are read from the same station as Charleston, so their numbers match; the real difference is the distance from that station.
| Place | From Charleston | Painting days a year | Window | Station |
|---|---|---|---|---|
| Mattoon, IL | 10 mi west | 98 | May to September | same station |
| Effingham, IL | 32 mi southwest | 98 | May to September | same station |
| Terre Haute, IN | 43 mi east | 70 | July to August | Ter Hute International-Hulman Fd Airport |
| Urbana, IL | 43 mi north | 84 | June to September | Universi Of Il Willard Airport |
| Champaign, IL | 44 mi north | 84 | June to September | Universi Of Il Willard Airport |
| Decatur, IL | 48 mi northwest | 82 | June to September | Decatur Airport |
How Charleston ranks in IL
Of 225 IL places with 10,000 people or more, Charleston (population 17,361, 149th largest) ranks 10th for painting days, 21 days above the state median of 77. The longest season in the state is Chicago, 131 days, 165 miles north. The shortest is Woodstock at 65. Switching to low-temperature paint here is worth 48 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Coles County Memo Airport (5.5 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.