When to paint a house exterior in Westmont, IL
When to paint in Westmont, 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
- 1Mar
- 3Apr
- 11May
- 14Jun
- 16Jul
- 18Aug
- 17Sep
- 8Oct
- 2Nov
- under 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | under 1 | under 1 | 2 | 22° / 34°F |
| February | under 1 | under 1 | 3 | 23° / 39°F |
| March | 1 | 1 | 8 | 34° / 50°F |
| April | 3 | 3 | 13 | 42° / 62°F |
| May | 11 | 8 | 16 | 54° / 73°F |
| June | 14 | 10 | 14 | 64° / 84°F |
| July | 16 | 11 | 16 | 69° / 86°F |
| August | 18 | 14 | 18 | 68° / 85°F |
| September | 17 | 14 | 18 | 62° / 80°F |
| October | 8 | 8 | 18 | 49° / 66°F |
| November | 2 | 2 | 10 | 37° / 52°F |
| December | under 1 | under 1 | 4 | 29° / 42°F |
Deck stain does best in August. Low-temperature paint adds about 50 days a year here.
Towns near Westmont compared
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. Hinsdale, Western Springs, Burr Ridge, La Grange are read from the same station as Westmont, so their numbers match; the real difference is the distance from that station.
| Place | From Westmont | Painting days a year | Window | Station |
|---|---|---|---|---|
| Hinsdale, IL | 2 mi east | 89 | June to September | same station |
| Downers Grove, IL | 2 mi west | 77 | June to September | Chicago O'Hare International |
| Darien, IL | 3 mi south | 74 | July to September | Lewis University Airport |
| Western Springs, IL | 4 mi east | 89 | June to September | same station |
| Burr Ridge, IL | 4 mi southeast | 89 | June to September | same station |
| La Grange, IL | 5 mi east | 89 | June to September | same station |
How Westmont ranks in IL
Of 225 IL places with 10,000 people or more, Westmont (population 24,308, 94th largest) ranks 20th for painting days, 12 days above the state median of 77. The longest season in the state is Chicago, 131 days, 15 miles east. The shortest is Woodstock at 65. Switching to low-temperature paint here is worth 50 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Chicago Midway International Airport (11.4 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.