When to paint a house exterior in Johnstown, PA
When to paint in Johnstown, PA
A normal season: plan the job, do not leave it late. The painting window is July to September, with 3 good months a year. The best month is August, at about 16 painting days. Book a painter by May.
If you want the house done in July to September, call for quotes in May 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.
- under 1Jan
- under 1Feb
- under 1Mar
- 2Apr
- 6May
- 11Jun
- 15Jul
- 16Aug
- 12Sep
- 3Oct
- 1Nov
- under 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | under 1 | under 1 | 1 | 20° / 36°F |
| February | under 1 | under 1 | 2 | 22° / 42°F |
| March | under 1 | under 1 | 3 | 28° / 50°F |
| April | 2 | 2 | 7 | 38° / 61°F |
| May | 6 | 4 | 12 | 49° / 70°F |
| June | 11 | 9 | 15 | 56° / 77°F |
| July | 15 | 12 | 15 | 61° / 81°F |
| August | 16 | 9 | 16 | 60° / 79°F |
| September | 12 | 9 | 17 | 55° / 74°F |
| October | 3 | 3 | 13 | 44° / 64°F |
| November | 1 | 1 | 6 | 32° / 51°F |
| December | under 1 | under 1 | 1 | 26° / 42°F |
Deck stain does best in July. Low-temperature paint adds about 39 days a year here.
Towns near Johnstown compared
5 of the 6 nearest places get more painting days, the most in Indiana (109 a year, 24 miles northwest); 1 gets fewer, down to 60 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.
| Place | From Johnstown | Painting days a year | Window | Station |
|---|---|---|---|---|
| Indiana, PA | 24 mi northwest | 109 | May to September | Indiana County/Jimmy Stewart |
| Altoona, PA | 30 mi northeast | 60 | July to August | Altoona-Blair County Airport |
| Greensburg, PA | 33 mi west | 79 | June to September | Allegheny County Airport |
| Murrysville, PA | 40 mi west | 79 | June to September | Allegheny County Airport |
| Monroeville, PA | 45 mi west | 79 | June to September | Allegheny County Airport |
| Plum, PA | 45 mi west | 79 | June to September | Allegheny County Airport |
How Johnstown ranks in PA
Of 68 PA places with 10,000 people or more, Johnstown (population 17,853, 33rd largest) ranks 27th for painting days, 3 days above the state median of 65. The longest season in the state is Indiana, 109 days, 24 miles northwest. The shortest is St. Marys at 39. Switching to low-temperature paint here is worth 39 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from J Murtha Jtwn-Cmbra County Airport (4.5 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.