When to paint a house exterior in Chatham, NJ
When to paint in Chatham, 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.
- under 1Jan
- under 1Feb
- under 1Mar
- 2Apr
- 7May
- 13Jun
- 10Jul
- 14Aug
- 15Sep
- 5Oct
- 1Nov
- under 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | under 1 | under 1 | 1 | 24° / 43°F |
| February | under 1 | under 1 | 2 | 25° / 47°F |
| March | under 1 | under 1 | 5 | 32° / 55°F |
| April | 2 | under 1 | 12 | 41° / 66°F |
| May | 7 | 5 | 14 | 51° / 77°F |
| June | 13 | 8 | 14 | 59° / 84°F |
| July | 10 | 5 | 10 | 67° / 89°F |
| August | 14 | 8 | 14 | 65° / 87°F |
| September | 15 | 11 | 18 | 58° / 81°F |
| October | 5 | 5 | 17 | 47° / 70°F |
| November | 1 | 1 | 8 | 35° / 58°F |
| December | under 1 | under 1 | 2 | 29° / 48°F |
Deck stain does best in September. Low-temperature paint adds about 51 days a year here.
Towns near Chatham compared
3 of the 6 nearest places get more painting days, the most in Summit (90 a year, 2 miles southeast). 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. Madison, Florham Park, Morristown are read from the same station as Chatham, so their numbers match; the real difference is the distance from that station.
| Place | From Chatham | Painting days a year | Window | Station |
|---|---|---|---|---|
| Summit, NJ | 2 mi southeast | 90 | May to September | Linden Airport |
| Madison, NJ | 2 mi northwest | 65 | August to September | same station |
| Florham Park, NJ | 2 mi north | 65 | August to September | same station |
| New Providence, NJ | 3 mi south | 90 | May to September | Linden Airport |
| Morristown, NJ | 6 mi northwest | 65 | August to September | same station |
| Westfield, NJ | 7 mi south | 90 | May to September | Linden Airport |
How Chatham ranks in NJ
Of 116 NJ places with 10,000 people or more, Chatham (population 10,062, 116th largest) ranks 103rd for painting days, 7 days below the state median of 71. The longest season in the state is Union City, 92 days, 19 miles east. The shortest is Manville at 51. 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 Essex County Airport (10.8 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.