When to paint a house exterior in Louisville/Jefferson County, KY
When to paint in Louisville/Jefferson County, KY
A short season: book early and expect weather delays. The painting window is August to September, with 2 good months a year. The best month is September, at about 13 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
- 1Feb
- 2Mar
- 5Apr
- 11May
- 11Jun
- 9Jul
- 13Aug
- 13Sep
- 8Oct
- 2Nov
- 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | under 1 | under 1 | 3 | 27° / 47°F |
| February | 1 | under 1 | 4 | 30° / 53°F |
| March | 2 | 1 | 7 | 37° / 62°F |
| April | 5 | 3 | 13 | 45° / 71°F |
| May | 11 | 7 | 15 | 56° / 80°F |
| June | 11 | 9 | 12 | 64° / 87°F |
| July | 9 | 5 | 9 | 69° / 90°F |
| August | 13 | 9 | 13 | 66° / 88°F |
| September | 13 | 13 | 15 | 60° / 85°F |
| October | 8 | 6 | 20 | 48° / 74°F |
| November | 2 | 2 | 9 | 37° / 60°F |
| December | 1 | 1 | 4 | 32° / 53°F |
Deck stain does best in September. Low-temperature paint adds about 48 days a year here.
Towns near Louisville/Jefferson County compared
Every one of the 6 closest places lands within three days of Louisville/Jefferson County's 75 a year, so the season here is the regional season. Jeffersontown, St. Matthews, Lyndon, Jeffersonville are read from the same station as Louisville/Jefferson County, so their numbers match; the real difference is the distance from that station.
| Place | From Louisville/Jefferson County | Painting days a year | Window | Station |
|---|---|---|---|---|
| Jeffersontown, KY | 5 mi northeast | 75 | August to September | same station |
| St. Matthews, KY | 6 mi north | 75 | August to September | same station |
| Lyndon, KY | 7 mi northeast | 75 | August to September | same station |
| Shively, KY | 9 mi west | 76 | May | Louisville International-Standiford Fi |
| Mount Washington, KY | 10 mi southeast | 76 | May | Louisville International-Standiford Fi |
| Jeffersonville, IN | 12 mi north | 75 | August to September | same station |
How Louisville/Jefferson County ranks in KY
Of 42 KY places with 10,000 people or more, Louisville/Jefferson County (population 640,796, 1st largest) ranks 21st for painting days, right at the state median of 75. The longest season in the state is Campbellsville, 145 days, 59 miles south. The shortest is Glasgow at 58. Switching to low-temperature paint here is worth 48 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Bowman Field 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+.