PaintDays

When to paint a house exterior in Grafton, WI

When to paint in Grafton, WI

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. 1Apr
  5. 5May
  6. 13Jun
  7. 17Jul
  8. 18Aug
  9. 16Sep
  10. 5Oct
  11. 1Nov
  12. under 1Dec

Month by month

MonthPainting daysStaining daysWith low-temp paintAvg low / high
Januaryunder 1under 1under 119° / 34°F
Februaryunder 1under 1119° / 38°F
Marchunder 1under 1329° / 48°F
April111037° / 58°F
May541647° / 70°F
June13111558° / 80°F
July17111765° / 84°F
August18141864° / 83°F
September16151858° / 78°F
October551645° / 65°F
November11733° / 52°F
Decemberunder 1under 1225° / 41°F

Deck stain does best in September. Low-temperature paint adds about 50 days a year here.

Towns near Grafton compared

1 gets fewer, down to 64 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. Cedarburg, Mequon, Brown Deer, Germantown, Glendale are read from the same station as Grafton, so their numbers match; the real difference is the distance from that station.

PlaceFrom GraftonPainting days a yearWindowStation
Cedarburg, WI3 mi southwest77June to Septembersame station
Port Washington, WI5 mi northeast64June to AugustSheboygan County Memo Airport
Mequon, WI8 mi southwest77June to Septembersame station
Brown Deer, WI10 mi south77June to Septembersame station
Germantown, WI11 mi southwest77June to Septembersame station
Glendale, WI13 mi south77June to Septembersame station

How Grafton ranks in WI

Of 98 WI places with 10,000 people or more, Grafton (population 12,741, 77th largest) ranks 41st for painting days, 8 days above the state median of 69. The longest season in the state is Appleton, 111 days, 70 miles north. The shortest is Superior at 29. Switching to low-temperature paint here is worth 50 extra days, more than most of the summer months on their own.

Where these numbers come from

Daily records from General Mitchell Internationa (25.4 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.