When to paint a house exterior in Pontiac, IL
When to paint in Pontiac, IL
A short season: book early and expect weather delays. The painting window is July to August, with 2 good months a year. The best month is August, at about 15 painting days. Book a painter by May.
If you want the house done in July to August, call for quotes in May or earlier; a job pushed past August is likely to wait until next year. For a deck, the months with enough staining days to spare are May, Jun, Jul, Aug, Sep.
- under 1Jan
- under 1Feb
- under 1Mar
- 2Apr
- 8May
- 11Jun
- 15Jul
- 15Aug
- 10Sep
- 4Oct
- 1Nov
- under 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | under 1 | under 1 | under 1 | 22° / 36°F |
| February | under 1 | under 1 | 1 | 23° / 42°F |
| March | under 1 | under 1 | 4 | 33° / 53°F |
| April | 2 | 2 | 9 | 41° / 64°F |
| May | 8 | 6 | 14 | 54° / 76°F |
| June | 11 | 8 | 13 | 62° / 85°F |
| July | 15 | 11 | 15 | 64° / 84°F |
| August | 15 | 14 | 17 | 61° / 83°F |
| September | 10 | 8 | 16 | 57° / 80°F |
| October | 4 | 4 | 14 | 44° / 67°F |
| November | 1 | 1 | 4 | 33° / 52°F |
| December | under 1 | under 1 | 1 | 28° / 43°F |
Deck stain does best in August. Low-temperature paint adds about 40 days a year here.
Towns near Pontiac compared
4 of the 6 nearest places get more painting days, the most in Normal (84 a year, 31 miles southwest). 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. Streator is read from the same station as Pontiac, so its numbers match; the real difference is the distance from that station.
| Place | From Pontiac | Painting days a year | Window | Station |
|---|---|---|---|---|
| Streator, IL | 19 mi northwest | 67 | July to August | same station |
| Normal, IL | 31 mi southwest | 84 | June to September | Central Illinois Regional Air |
| Bloomington, IL | 33 mi southwest | 84 | June to September | Central Illinois Regional Air |
| Ottawa, IL | 33 mi north | 72 | June to September | Mors Municipal-J.R. Wsbrn Fd Airport |
| Morris, IL | 36 mi north | 72 | June to September | Mors Municipal-J.R. Wsbrn Fd Airport |
| Channahon, IL | 42 mi northeast | 69 | July to September | Joliet Regional Airport |
How Pontiac ranks in IL
Of 225 IL places with 10,000 people or more, Pontiac (population 11,054, 208th largest) ranks 223rd for painting days, 10 days below the state median of 77. The longest season in the state is Chicago, 131 days, 82 miles northeast. The shortest is Woodstock at 65. Switching to low-temperature paint here is worth 40 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Pontiac Municipal Airport (2.6 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.