When to paint a house exterior in Washington, PA
When to paint in Washington, PA
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 15 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.
- under 1Jan
- under 1Feb
- 1Mar
- 1Apr
- 6May
- 10Jun
- 15Jul
- 14Aug
- 10Sep
- 3Oct
- 1Nov
- under 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | under 1 | under 1 | 2 | 22° / 40°F |
| February | under 1 | under 1 | 2 | 24° / 46°F |
| March | 1 | under 1 | 4 | 30° / 54°F |
| April | 1 | 1 | 7 | 39° / 65°F |
| May | 6 | 3 | 13 | 49° / 74°F |
| June | 10 | 6 | 16 | 56° / 81°F |
| July | 15 | 9 | 15 | 61° / 85°F |
| August | 14 | 10 | 16 | 60° / 83°F |
| September | 10 | 7 | 17 | 54° / 78°F |
| October | 3 | 3 | 11 | 43° / 67°F |
| November | 1 | 1 | 4 | 32° / 55°F |
| December | under 1 | under 1 | 2 | 27° / 46°F |
Deck stain does best in August. Low-temperature paint adds about 46 days a year here.
Towns near Washington compared
6 of the 6 nearest places get more painting days, the most in Weirton (79 a year, 23 miles northwest). 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.
| Place | From Washington | Painting days a year | Window | Station |
|---|---|---|---|---|
| Bethel Park, PA | 15 mi northeast | 79 | June to September | Allegheny County Airport |
| Jefferson Hills, PA | 18 mi northeast | 79 | June to September | Allegheny County Airport |
| Whitehall, PA | 19 mi northeast | 79 | June to September | Allegheny County Airport |
| Baldwin, PA | 21 mi northeast | 79 | June to September | Allegheny County Airport |
| West Mifflin, PA | 22 mi northeast | 79 | June to September | Allegheny County Airport |
| Weirton, WV | 23 mi northwest | 79 | June to September | Wheeling Ohio County Airport |
How Washington ranks in PA
Of 68 PA places with 10,000 people or more, Washington (population 13,334, 47th largest) ranks 62nd for painting days, 4 days below the state median of 65. The longest season in the state is Indiana, 109 days, 65 miles northeast. The shortest is St. Marys at 39. Switching to low-temperature paint here is worth 46 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Washington County Airport (3.4 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.