PaintDays

When to paint a house exterior in Marion, IL

When to paint in Marion, IL

A normal season: plan the job, do not leave it late. The painting window is May to September, with 5 good months a year. The best month is June, at about 20 painting days. Book a painter by March.

If you want the house done in May to September, call for quotes in March 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 Apr, May, Jun, Jul, Aug, Sep, Oct.

  1. under 1Jan
  2. 1Feb
  3. 2Mar
  4. 7Apr
  5. 19May
  6. 20Jun
  7. 17Jul
  8. 19Aug
  9. 18Sep
  10. 10Oct
  11. 2Nov
  12. 1Dec

Month by month

MonthPainting daysStaining daysWith low-temp paintAvg low / high
Januaryunder 1under 1227° / 44°F
February1under 1529° / 50°F
March221237° / 59°F
April772045° / 68°F
May19162656° / 78°F
June20192165° / 86°F
July17171769° / 88°F
August19161966° / 86°F
September18182160° / 83°F
October1082249° / 72°F
November221236° / 57°F
December11432° / 49°F

Deck stain does best in June. Low-temperature paint adds about 64 days a year here.

Towns near Marion compared

5 get fewer, down to 68 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. Herrin is read from the same station as Marion, so its numbers match; the real difference is the distance from that station.

PlaceFrom MarionPainting days a yearWindowStation
Herrin, IL7 mi northwest116May to Septembersame station
Carbondale, IL15 mi west84May to JuneSouthern Illinois Airport
Mount Vernon, IL40 mi north68AugustMount Vernon Airport
Cape Girardeau, MO45 mi southwest80August to SeptemberCape Girardeau Rgnl Airport
Jackson, MO46 mi southwest80August to SeptemberCape Girardeau Rgnl Airport
Paducah, KY49 mi south70August to OctoberBarkley Regional Airport

How Marion ranks in IL

Of 225 IL places with 10,000 people or more, Marion (population 17,021, 151st largest) ranks 3rd for painting days, 39 days above the state median of 77. The longest season in the state is Chicago, 131 days, 291 miles north. The shortest is Woodstock at 65. Switching to low-temperature paint here is worth 64 extra days, more than most of the summer months on their own.

Where these numbers come from

Daily records from Williamson County Rgnl Airport (3.4 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.