PaintDays

When to paint a house exterior in Windsor, WI

When to paint in Windsor, WI

A short season: book early and expect weather delays. The painting window is July to August, with 2 good months a year. The best month is July, at about 19 painting days. Book a painter by May.

If you want the house done in July to August, call for quotes in May or earlier; a job pushed past August is likely to wait until next year. For a deck, the months with enough staining days to spare are Jun, Jul, Aug, Sep.

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

Month by month

MonthPainting daysStaining daysWith low-temp paintAvg low / high
Januaryunder 1under 1under 114° / 30°F
Februaryunder 1under 1114° / 35°F
Marchunder 1under 1225° / 48°F
April11734° / 60°F
May431347° / 73°F
June1181557° / 82°F
July19141961° / 85°F
August18141959° / 82°F
September12101853° / 77°F
October331341° / 64°F
Novemberunder 1under 1429° / 49°F
Decemberunder 1under 1under 121° / 38°F

Deck stain does best in August. Low-temperature paint adds about 41 days a year here.

Towns near Windsor compared

Every one of the 6 closest places lands within three days of Windsor's 69 a year, so the season here is the regional season. DeForest, Sun Prairie, Waunakee, Madison, Middleton, Fitchburg are read from the same station as Windsor, so their numbers match; the real difference is the distance from that station.

PlaceFrom WindsorPainting days a yearWindowStation
DeForest, WI3 mi west69July to Augustsame station
Sun Prairie, WI5 mi southeast69July to Augustsame station
Waunakee, WI9 mi southwest69July to Augustsame station
Madison, WI13 mi southwest69July to Augustsame station
Middleton, WI15 mi southwest69July to Augustsame station
Fitchburg, WI19 mi south69July to Augustsame station

How Windsor ranks in WI

Of 98 WI places with 10,000 people or more, Windsor (population 10,005, 98th largest) ranks 60th for painting days, 1 day below the state median of 69. The longest season in the state is Appleton, 111 days, 84 miles northeast. The shortest is Superior at 29. Switching to low-temperature paint here is worth 41 extra days, more than most of the summer months on their own.

Where these numbers come from

Daily records from Dane County Regional-Truax Field (7.9 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.