When to paint a house exterior in Downers Grove, IL
When to paint in Downers Grove, 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 18 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
- 2Apr
- 7May
- 13Jun
- 14Jul
- 18Aug
- 17Sep
- 5Oct
- 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 | 19° / 34°F |
| February | under 1 | under 1 | 2 | 19° / 40°F |
| March | under 1 | under 1 | 5 | 31° / 51°F |
| April | 2 | 2 | 11 | 39° / 62°F |
| May | 7 | 6 | 15 | 50° / 74°F |
| June | 13 | 10 | 14 | 60° / 84°F |
| July | 14 | 9 | 14 | 66° / 86°F |
| August | 18 | 14 | 18 | 65° / 85°F |
| September | 17 | 14 | 18 | 59° / 80°F |
| October | 5 | 5 | 16 | 46° / 67°F |
| November | 1 | 1 | 7 | 33° / 52°F |
| December | under 1 | under 1 | 2 | 25° / 42°F |
Deck stain does best in September. Low-temperature paint adds about 45 days a year here.
Towns near Downers Grove compared
2 of the 6 nearest places get more painting days, the most in Westmont (89 a year, 2 miles east); 2 get fewer, down to 74 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. Glen Ellyn is read from the same station as Downers Grove, so its numbers match; the real difference is the distance from that station.
| Place | From Downers Grove | Painting days a year | Window | Station |
|---|---|---|---|---|
| Westmont, IL | 2 mi east | 89 | June to September | Chicago Midway International Airport |
| Lisle, IL | 3 mi west | 80 | June to September | Dupage Airport |
| Darien, IL | 4 mi southeast | 74 | July to September | Lewis University Airport |
| Woodridge, IL | 4 mi south | 74 | July to September | Lewis University Airport |
| Hinsdale, IL | 5 mi east | 89 | June to September | Chicago Midway International Airport |
| Glen Ellyn, IL | 5 mi northwest | 77 | June to September | same station |
How Downers Grove ranks in IL
Of 225 IL places with 10,000 people or more, Downers Grove (population 50,552, 30th largest) ranks 104th for painting days, right at the state median of 77. The longest season in the state is Chicago, 131 days, 18 miles east. The shortest is Woodstock at 65. Switching to low-temperature paint here is worth 45 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Chicago O'Hare International (12.3 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.