When to paint a house exterior in DeKalb, IL
When to paint in DeKalb, IL
A normal season: plan the job, do not leave it late. The painting window is June to August, with 3 good months a year. The best month is July, at about 17 painting days. Book a painter by April.
If you want the house done in June to August, call for quotes in April 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, Oct.
- under 1Jan
- under 1Feb
- under 1Mar
- 1Apr
- 6May
- 12Jun
- 17Jul
- 16Aug
- 12Sep
- 4Oct
- under 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 | 18° / 31°F |
| February | under 1 | under 1 | 1 | 20° / 38°F |
| March | under 1 | under 1 | 3 | 30° / 48°F |
| April | 1 | 1 | 8 | 38° / 60°F |
| May | 6 | 5 | 14 | 50° / 72°F |
| June | 12 | 9 | 14 | 60° / 81°F |
| July | 17 | 11 | 17 | 63° / 82°F |
| August | 16 | 12 | 17 | 61° / 81°F |
| September | 12 | 8 | 17 | 56° / 77°F |
| October | 4 | 4 | 14 | 43° / 64°F |
| November | under 1 | under 1 | 5 | 32° / 49°F |
| December | under 1 | under 1 | 1 | 25° / 39°F |
Deck stain does best in August. Low-temperature paint adds about 41 days a year here.
Towns near DeKalb compared
5 of the 6 nearest places get more painting days, the most in Campton Hills (80 a year, 17 miles east). 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. Sycamore is read from the same station as DeKalb, so its numbers match; the real difference is the distance from that station.
| Place | From DeKalb | Painting days a year | Window | Station |
|---|---|---|---|---|
| Sycamore, IL | 6 mi northeast | 68 | June to August | same station |
| Campton Hills, IL | 17 mi east | 80 | June to September | Dupage Airport |
| Pingree Grove, IL | 20 mi northeast | 80 | June to September | Dupage Airport |
| Plano, IL | 20 mi southeast | 73 | July to September | Aurora Municipal Airport |
| Geneva, IL | 22 mi east | 80 | June to September | Dupage Airport |
| North Aurora, IL | 22 mi east | 73 | July to September | Aurora Municipal Airport |
How DeKalb ranks in IL
Of 225 IL places with 10,000 people or more, DeKalb (population 40,491, 41st largest) ranks 219th for painting days, 9 days below the state median of 77. The longest season in the state is Chicago, 131 days, 55 miles east. 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 De Kalb Taylor Municipal Airport (2.1 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.