PaintDays

When to paint a house exterior in Sterling, IL

When to paint in Sterling, 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 July, at about 20 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.

  1. under 1Jan
  2. under 1Feb
  3. under 1Mar
  4. 2Apr
  5. 8May
  6. 14Jun
  7. 20Jul
  8. 18Aug
  9. 13Sep
  10. 6Oct
  11. 1Nov
  12. under 1Dec

Month by month

MonthPainting daysStaining daysWith low-temp paintAvg low / high
Januaryunder 1under 1under 117° / 32°F
Februaryunder 1under 1117° / 37°F
Marchunder 1under 1430° / 50°F
April221138° / 62°F
May851751° / 74°F
June14101661° / 84°F
July20162063° / 84°F
August18151961° / 83°F
September13122055° / 80°F
October641644° / 66°F
November11630° / 50°F
Decemberunder 1under 1123° / 39°F

Deck stain does best in July. Low-temperature paint adds about 48 days a year here.

Towns near Sterling compared

1 of the 6 nearest places get more painting days, the most in Bettendorf (86 a year, 43 miles west); 4 get fewer, down to 66 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. Dixon is read from the same station as Sterling, so its numbers match; the real difference is the distance from that station.

PlaceFrom SterlingPainting days a yearWindowStation
Dixon, IL12 mi east82June to Septembersame station
Clinton, IA28 mi west71June to AugustClinton Municipal Airport
Freeport, IL34 mi north66June to AugustAlbertus Airport
Kewanee, IL41 mi south71June to SeptemberGalesburg Municipal Airport
East Moline, IL41 mi southwest70July to SeptemberQuad City International Airport
Bettendorf, IA43 mi west86June to SeptemberDavenport Municipal Airpt

How Sterling ranks in IL

Of 225 IL places with 10,000 people or more, Sterling (population 14,535, 170th largest) ranks 53rd for painting days, 5 days above the state median of 77. The longest season in the state is Chicago, 131 days, 104 miles east. The shortest is Woodstock at 65. Switching to low-temperature paint here is worth 48 extra days, more than most of the summer months on their own.

Where these numbers come from

Daily records from Whiteside County Airport-Jos H Bitto (4 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.