When to paint a house exterior in Harrisburg, PA
When to paint in Harrisburg, PA
A short season: book early and expect weather delays. The painting window is September, with 1 good month a year. The best month is September, at about 13 painting days. Book a painter by July.
If you want the house done in September, call for quotes in July 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, Aug, Sep, Oct.
- under 1Jan
- under 1Feb
- 1Mar
- 3Apr
- 9May
- 12Jun
- 8Jul
- 12Aug
- 13Sep
- 6Oct
- 1Nov
- under 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | under 1 | under 1 | 2 | 25° / 43°F |
| February | under 1 | under 1 | 2 | 26° / 48°F |
| March | 1 | under 1 | 6 | 33° / 57°F |
| April | 3 | 2 | 12 | 43° / 68°F |
| May | 9 | 5 | 15 | 53° / 78°F |
| June | 12 | 7 | 12 | 61° / 86°F |
| July | 8 | 4 | 8 | 68° / 91°F |
| August | 12 | 8 | 12 | 66° / 89°F |
| September | 13 | 10 | 16 | 59° / 82°F |
| October | 6 | 6 | 19 | 48° / 71°F |
| November | 1 | 1 | 9 | 36° / 59°F |
| December | under 1 | under 1 | 2 | 30° / 49°F |
Deck stain does best in September. Low-temperature paint adds about 52 days a year here.
Towns near Harrisburg compared
1 of the 6 nearest places get more painting days, the most in Elizabethtown (66 a year, 17 miles southeast); 1 gets fewer, down to 57 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. Mechanicsburg, Carlisle are read from the same station as Harrisburg, so their numbers match; the real difference is the distance from that station.
| Place | From Harrisburg | Painting days a year | Window | Station |
|---|---|---|---|---|
| Mechanicsburg, PA | 8 mi southwest | 63 | September | same station |
| Elizabethtown, PA | 17 mi southeast | 66 | August to September | Harrisburg International Airport |
| Carlisle, PA | 18 mi west | 63 | September | same station |
| York, PA | 23 mi south | 63 | July to August | York Airport |
| Lebanon, PA | 25 mi east | 57 | August | Muir Army Airfield (Fort Indi |
| Columbia, PA | 26 mi southeast | 63 | August to September | Lancaster Airport |
How Harrisburg ranks in PA
Of 68 PA places with 10,000 people or more, Harrisburg (population 50,649, 9th largest) ranks 51st for painting days, 2 days below the state median of 65. The longest season in the state is Indiana, 109 days, 122 miles west. The shortest is St. Marys at 39. Switching to low-temperature paint here is worth 52 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Capital City Airport (4.4 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.