PaintDays

When to paint a house exterior in Warrenville, IL

When to paint in Warrenville, 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.

  1. under 1Jan
  2. under 1Feb
  3. under 1Mar
  4. 2Apr
  5. 8May
  6. 13Jun
  7. 18Jul
  8. 18Aug
  9. 15Sep
  10. 4Oct
  11. 1Nov
  12. under 1Dec

Month by month

MonthPainting daysStaining daysWith low-temp paintAvg low / high
Januaryunder 1under 1118° / 32°F
Februaryunder 1under 1219° / 37°F
Marchunder 1under 1430° / 49°F
April221039° / 61°F
May871550° / 73°F
June13101660° / 83°F
July18121864° / 85°F
August18141962° / 83°F
September15131957° / 79°F
October441545° / 65°F
November11632° / 50°F
Decemberunder 1under 1125° / 40°F

Deck stain does best in August. Low-temperature paint adds about 45 days a year here.

Towns near Warrenville compared

2 get fewer, down to 73 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. Winfield, Wheaton, West Chicago, Lisle are read from the same station as Warrenville, so their numbers match; the real difference is the distance from that station.

PlaceFrom WarrenvillePainting days a yearWindowStation
Winfield, IL4 mi northeast80June to Septembersame station
Wheaton, IL5 mi northeast80June to Septembersame station
Naperville, IL5 mi south74July to SeptemberLewis University Airport
West Chicago, IL5 mi north80June to Septembersame station
Lisle, IL6 mi east80June to Septembersame station
Aurora, IL7 mi southwest73July to SeptemberAurora Municipal Airport

How Warrenville ranks in IL

Of 225 IL places with 10,000 people or more, Warrenville (population 15,247, 161st largest) ranks 98th for painting days, 3 days above the state median of 77. The longest season in the state is Chicago, 131 days, 26 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 Dupage Airport (7.1 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.