When to paint a house exterior in Bloomington, IL
When to paint in Bloomington, 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 17 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
- under 1Mar
- 4Apr
- 11May
- 15Jun
- 15Jul
- 17Aug
- 15Sep
- 6Oct
- 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 | 20° / 35°F |
| February | under 1 | under 1 | 2 | 21° / 40°F |
| March | under 1 | under 1 | 5 | 32° / 52°F |
| April | 4 | 3 | 12 | 41° / 64°F |
| May | 11 | 8 | 16 | 54° / 75°F |
| June | 15 | 13 | 16 | 63° / 84°F |
| July | 15 | 10 | 15 | 66° / 85°F |
| August | 17 | 13 | 18 | 64° / 83°F |
| September | 15 | 13 | 19 | 58° / 80°F |
| October | 6 | 5 | 17 | 46° / 67°F |
| November | 1 | 1 | 6 | 33° / 52°F |
| December | under 1 | under 1 | 1 | 26° / 42°F |
Deck stain does best in August. Low-temperature paint adds about 41 days a year here.
Towns near Bloomington compared
4 get fewer, down to 67 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. Normal is read from the same station as Bloomington, so its numbers match; the real difference is the distance from that station.
| Place | From Bloomington | Painting days a year | Window | Station |
|---|---|---|---|---|
| Normal, IL | 3 mi north | 84 | June to September | same station |
| Morton, IL | 28 mi west | 76 | July to September | Greater Peoria Regional Airport |
| Washington, IL | 29 mi northwest | 76 | July to September | Greater Peoria Regional Airport |
| Lincoln, IL | 31 mi southwest | 83 | May to September | Logan County Airport |
| East Peoria, IL | 33 mi northwest | 76 | July to September | Greater Peoria Regional Airport |
| Pontiac, IL | 33 mi northeast | 67 | July to August | Pontiac Municipal Airport |
How Bloomington ranks in IL
Of 225 IL places with 10,000 people or more, Bloomington (population 79,232, 12th largest) ranks 44th for painting days, 7 days above the state median of 77. The longest season in the state is Chicago, 131 days, 115 miles northeast. The shortest is Woodstock at 65. Switching to low-temperature paint here is worth 41 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Central Illinois Regional Air (1.2 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.