UV index in Lake Mary today

Lake Mary sits on the water in Florida at 28.8°S. Lake glare works like a beach: UV from above and off the surface, with summer middays typically 10–12 (very high to extreme). This is subtropical sun: protection weather for much of the year, with winter middays that still often reach 3 or more.

Live reading · data by Open-Meteo · reference monitoring by ARPANSA

Today and tomorrow in Lake Mary

Peak UV, temperature and conditions for Lake Mary. Tomorrow’s peak is the number to plan around if you’re heading out in the middle of the day.

Weather conditions right now

Cloud and rain cut heat more than they cut UV. A partly cloudy lakeside day in Lake Mary can still sit at protection levels. Why you burn on cloudy days.

When Lake Mary needs sun protection

Sun protection is needed in Lake Mary most of the year, including many winter middays. Lake glare adds a second dose on top of the sky reading, the same way a beach does.

The threshold, per SunSmart and ARPANSA: whenever UV reaches 3 or above, Slip on covering clothing, Slop on SPF 50+ sunscreen, Slap on a hat, Seek shade and Slide on sunglasses. Read the full sun safety guide.

The UV scale at a glance

  • 0–2Low
  • 3–5Moderate
  • 6–7High
  • 8–10Very high
  • 11+Extreme

Frequently asked questions

When does Lake Mary need sun protection?
Whenever the UV index is 3 or above. In Lake Mary that is most of the year, including many winter middays. The EPA Sun Safety action steps apply at the same threshold used worldwide.
Does Lake Mary need sun protection in winter?
Usually yes. At 28.8°N, winter middays in Lake Mary still commonly reach UV 3 or higher. Check today's live reading on this page before a long lunch outside.
Does the water make UV worse in Lake Mary?
It can. The lake surface reflect ultraviolet, so skin that is not covered (including under the chin and on the tops of feet) picks up extra dose on top of the direct sun. The live UV index on this page is the sky reading; reflection is on top of that.

Live UV nearby