When to paint a house exterior in Waltham, MA
When to paint in Waltham, MA
A short season: book early and expect weather delays. The painting window is August, with 1 good month a year. The best month is August, at about 13 painting days. Book a painter by June.
If you want the house done in August, call for quotes in June 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 May, Jun, Jul, Aug, Sep.
- under 1Jan
- under 1Feb
- under 1Mar
- 1Apr
- 5May
- 10Jun
- 11Jul
- 13Aug
- 8Sep
- 2Oct
- 1Nov
- under 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | under 1 | under 1 | under 1 | 20° / 41°F |
| February | under 1 | under 1 | 1 | 19° / 43°F |
| March | under 1 | under 1 | 2 | 26° / 50°F |
| April | 1 | under 1 | 8 | 36° / 62°F |
| May | 5 | 4 | 17 | 46° / 74°F |
| June | 10 | 6 | 16 | 54° / 81°F |
| July | 11 | 6 | 11 | 62° / 87°F |
| August | 13 | 7 | 15 | 60° / 86°F |
| September | 8 | 5 | 17 | 53° / 79°F |
| October | 2 | 2 | 11 | 42° / 67°F |
| November | 1 | 1 | 4 | 31° / 55°F |
| December | under 1 | under 1 | 1 | 24° / 45°F |
Deck stain does best in August. Low-temperature paint adds about 51 days a year here.
Towns near Waltham compared
4 of the 6 nearest places get more painting days, the most in Watertown (74 a year, 4 miles east); 1 gets fewer, down to 46 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. Woburn is read from the same station as Waltham, so its numbers match; the real difference is the distance from that station.
| Place | From Waltham | Painting days a year | Window | Station |
|---|---|---|---|---|
| Watertown, MA | 4 mi east | 74 | August to September | Gen E L Logan International A |
| Newton, MA | 4 mi southeast | 46 | June to September | Norwood Memorial Airport |
| Cambridge, MA | 6 mi east | 74 | August to September | Gen E L Logan International A |
| Medford, MA | 7 mi east | 74 | August to September | Gen E L Logan International A |
| Somerville, MA | 7 mi east | 74 | August to September | Gen E L Logan International A |
| Woburn, MA | 8 mi northeast | 52 | August | same station |
How Waltham ranks in MA
Of 58 MA places with 10,000 people or more, Waltham (population 65,849, 17th largest) ranks 37th for painting days, 7 days below the state median of 60. The longest season in the state is Boston, 74 days, 12 miles east. The shortest is Greenfield at 41. 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 Laurence G Hanscom Field Airport (6.1 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.