PaintDays

When to paint a house exterior in Trenton, NJ

When to paint in Trenton, NJ

A normal season: plan the job, do not leave it late. The painting window is August to September, with 3 good months a year. The best month is September, at about 15 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 May, Jun, Jul, Aug, Sep, Oct.

  1. under 1Jan
  2. under 1Feb
  3. under 1Mar
  4. 1Apr
  5. 8May
  6. 13Jun
  7. 11Jul
  8. 15Aug
  9. 15Sep
  10. 4Oct
  11. 1Nov
  12. under 1Dec

Month by month

MonthPainting daysStaining daysWith low-temp paintAvg low / high
Januaryunder 1under 1125° / 43°F
Februaryunder 1under 1226° / 48°F
Marchunder 1under 1532° / 55°F
April111241° / 66°F
May851551° / 76°F
June1391460° / 83°F
July1161167° / 89°F
August15101565° / 87°F
September15111758° / 80°F
October441646° / 70°F
November11835° / 58°F
Decemberunder 1under 1129° / 48°F

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

Towns near Trenton compared

1 of the 6 nearest places get more painting days, the most in New Brunswick (90 a year, 25 miles northeast); 2 get fewer, down to 51 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. Princeton is read from the same station as Trenton, so its numbers match; the real difference is the distance from that station.

PlaceFrom TrentonPainting days a yearWindowStation
Princeton, NJ11 mi northeast68August to Septembersame station
Burlington, NJ11 mi southwest70JuneNe Philadelphia Airport
Manville, NJ24 mi northeast51AugustSomerset Airport
Philadelphia, PA25 mi southwest70JuneNe Philadelphia Airport
New Brunswick, NJ25 mi northeast90May to SeptemberLinden Airport
Somerville, NJ25 mi north51AugustSomerset Airport

How Trenton ranks in NJ

Of 116 NJ places with 10,000 people or more, Trenton (population 91,193, 5th largest) ranks 81st for painting days, 4 days below the state median of 71. The longest season in the state is Union City, 92 days, 54 miles northeast. The shortest is Manville at 51. 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 Trenton Mercer Airport (4.6 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.