PaintDays

When to paint a house exterior in Spearfish, SD

When to paint in Spearfish, SD

A short season: book early and expect weather delays. The painting window is June to September, and even that is thin, with 0 good months a year. The best month is August, at about 9 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 Jun, Jul, Aug, Sep.

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

Month by month

MonthPainting daysStaining daysWith low-temp paintAvg low / high
Januaryunder 1under 1under 115° / 40°F
Februaryunder 1under 1114° / 41°F
Marchunder 1under 1324° / 52°F
Aprilunder 1under 1630° / 60°F
May211242° / 70°F
June861354° / 84°F
July95960° / 90°F
August961157° / 89°F
September751650° / 82°F
October111235° / 65°F
Novemberunder 1under 1425° / 53°F
Decemberunder 1under 1116° / 42°F

Deck stain does best in August. Low-temperature paint adds about 51 days a year here.

Towns near Spearfish compared

1 of the 6 nearest places get more painting days, the most in Pierre (48 a year, 173 miles east); 3 get fewer, down to 12 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. Rapid City, Box Elder are read from the same station as Spearfish, so their numbers match; the real difference is the distance from that station.

PlaceFrom SpearfishPainting days a yearWindowStation
Rapid City, SD41 mi southeast37June to Septembersame station
Box Elder, SD45 mi southeast37June to Septembersame station
Gillette, WY84 mi west23JulyGillette-Campbell County. Airport
Sheridan, WY156 mi west12none reliableSheridan County Airport
Casper, WY169 mi southwest12none reliableNatrona County International
Pierre, SD173 mi east48May to SeptemberPierre Regional Airport

How Spearfish ranks in SD

Of 14 SD places with 10,000 people or more, Spearfish (population 13,803, 10th largest) ranks 14th for painting days, 22 days below the state median of 58. The longest season in the state is Yankton, 72 days, 339 miles east. No place in SD has a shorter one. Switching to low-temperature paint here is worth 51 extra days, more than most of the summer months on their own.

Where these numbers come from

Daily records from Ellsworth Air Force Base (42.5 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.