PaintDays

When to paint a house exterior in Arnold, MO

When to paint in Arnold, MO

A short season: book early and expect weather delays. The painting window is August to September, with 2 good months a year. The best month is September, at about 14 painting days. Book a painter by June.

If you want the house done in August to September, call for quotes in June 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. 6Apr
  5. 10May
  6. 10Jun
  7. 9Jul
  8. 14Aug
  9. 14Sep
  10. 8Oct
  11. 2Nov
  12. under 1Dec

Month by month

MonthPainting daysStaining daysWith low-temp paintAvg low / high
Januaryunder 1under 1226° / 43°F
February11528° / 49°F
March22938° / 60°F
April641546° / 70°F
May1071457° / 79°F
June1081066° / 89°F
July96970° / 90°F
August14131467° / 88°F
September14121760° / 85°F
October861948° / 72°F
November221037° / 58°F
Decemberunder 1under 1431° / 49°F

Deck stain does best in August. Low-temperature paint adds about 52 days a year here.

Towns near Arnold compared

2 get fewer, down to 70 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. Columbia, Crestwood, Webster Groves, Waterloo are read from the same station as Arnold, so their numbers match; the real difference is the distance from that station.

PlaceFrom ArnoldPainting days a yearWindowStation
Columbia, IL9 mi east75August to Septembersame station
Crestwood, MO9 mi north75August to Septembersame station
Kirkwood, MO11 mi north70SeptemberLambert-St Louis Internationa
Webster Groves, MO11 mi north75August to Septembersame station
Waterloo, IL13 mi southeast75August to Septembersame station
Manchester, MO13 mi northwest71August to SeptemberSpirit Of St Louis Airport

How Arnold ranks in MO

Of 80 MO places with 10,000 people or more, Arnold (population 21,036, 35th largest) ranks 35th for painting days, 3 days above the state median of 72. The longest season in the state is Branson, 93 days, 203 miles southwest. The shortest is Moberly at 61. Switching to low-temperature paint here is worth 52 extra days, more than most of the summer months on their own.

Where these numbers come from

Daily records from St Louis Downtown Airport (15.2 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.