When to paint a house exterior in Jacksonville, IL
When to paint in Jacksonville, IL
A normal season: plan the job, do not leave it late. The painting window is June to September, with 4 good months a year. The best month is August, at about 15 painting days. Book a painter by April.
If you want the house done in June to September, call for quotes in April 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
- 3Apr
- 10May
- 14Jun
- 14Jul
- 15Aug
- 14Sep
- 5Oct
- 1Nov
- under 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | under 1 | under 1 | 1 | 22° / 38°F |
| February | under 1 | under 1 | 3 | 25° / 46°F |
| March | 1 | 1 | 5 | 35° / 55°F |
| April | 3 | 3 | 11 | 43° / 66°F |
| May | 10 | 9 | 15 | 55° / 76°F |
| June | 14 | 13 | 15 | 64° / 85°F |
| July | 14 | 11 | 14 | 66° / 85°F |
| August | 15 | 10 | 15 | 64° / 83°F |
| September | 14 | 13 | 19 | 58° / 82°F |
| October | 5 | 4 | 15 | 46° / 68°F |
| November | 1 | 1 | 6 | 34° / 54°F |
| December | under 1 | under 1 | 2 | 28° / 45°F |
Deck stain does best in September. Low-temperature paint adds about 44 days a year here.
Towns near Jacksonville compared
5 of the 6 nearest places get more painting days, the most in Godfrey (103 a year, 54 miles south); 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 Jacksonville | Painting days a year | Window | Station |
|---|---|---|---|---|
| Chatham, IL | 29 mi east | 85 | June to September | Abraham Lincoln Capital Airport |
| Springfield, IL | 32 mi east | 85 | June to September | Abraham Lincoln Capital Airport |
| Taylorville, IL | 50 mi east | 91 | May to September | Taylorville Minicipal Airport |
| Godfrey, IL | 54 mi south | 103 | May to September | St Louis Regional Airport |
| Lincoln, IL | 54 mi northeast | 83 | May to September | Logan County Airport |
| Macomb, IL | 56 mi northwest | 68 | June to August | Macomb Municipal Airport |
How Jacksonville ranks in IL
Of 225 IL places with 10,000 people or more, Jacksonville (population 17,801, 145th largest) ranks 130th for painting days, right at the state median of 77. The longest season in the state is Chicago, 131 days, 197 miles northeast. The shortest is Woodstock at 65. Switching to low-temperature paint here is worth 44 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Jacksonville Municipal Airport (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+.