The heat figures
NOAA's climate normals for Naples Municipal Airport give a clear picture of how warm the year runs.
At Naples Municipal Airport, NOAA's 1991-2020 climate normals record an annual mean daily high of 84.1 °F and 4,089 cooling degree days a year (base 65 °F); in July the mean daily high is 90.8 °F and the mean daily low is 75.5 °F.
NOAA's 1991-2020 normals for Naples Municipal Airport record only 222 heating degree days a year (base 65 °F), and on average 103.4 days a year with a high of 90 °F or more.
Those are averages for the airport station, not a forecast. For a painter, the figures that matter most are the highs, because heat changes how paint goes on and how it sets.
Why surface temperature matters more than air temperature
Most paint labels give a range for the air temperature and a separate one for the surface. In the sun, a wall, a door or a railing can be far hotter than the air around it. Paint applied to a hot surface can:
- dry before it levels, leaving brush and roller marks;
- show lap lines where a wet edge meets paint that has already set;
- skin over on top while the layer underneath is still soft;
- bond less well than it would on a cooler surface.
The fix is mostly in the schedule. A crew working outside can follow the shade around the house, painting each wall after the sun has moved off it. That can mean shorter days on any one wall, and it's a reasonable thing to ask about when a painter gives you a timeline.
Color and heat
Dark colors absorb more sunlight and run hotter than light ones. On doors, shutters and trim in direct sun, that can mean faster fading and more stress on the paint film. Some manufacturers offer dark exterior colors formulated to reflect more heat. If you want a dark accent, ask the painter about the product they're quoting and whether the surface is suited to it, especially for vinyl.
Inside: the AC is part of the job
Indoors, air conditioning is a help to painting: it removes moisture as it cools, which helps paint dry and cure. Ask the crew whether the system should run during and after the work, and how long freshly painted doors and cabinets should be left before they're closed or used.
Prep is still most of the work
Heat aside, the order of a good job doesn't change. Outside: wash, let dry, scrape loose paint, fill cracks, re-caulk joints, prime bare spots, then finish. Inside: repair walls, prime patches and stains, then paint ceilings, walls and trim in that order. Our exterior painting page, interior painting page and surface preparation guide explain each step.
Florida's statements on licensure for painting
Florida's Department of Business and Professional Regulation lists paint and wallpaper among examples of work that do not require state licensure. Florida law lists painting among job scopes for which a local government may not require a license; the statute is Florida Statutes s. 489.117(4)(a). We quote both and don't build on them.
We don't evaluate or recommend painters. Ask for a written scope and proof of liability coverage.
Questions for a painter
- How will you schedule each wall around direct sun?
- What surface temperature limits does the product set?
- Is the color I've picked suitable for this surface in sun?
- What prep steps are included before the finish?
- How should the AC be run, and how long before painted surfaces can be used?
For the cost side, see the pricing guide, and for finishes, the sheens guide.