When does Walden Lake need sun protection?

Whenever the UV index is 3 or above. In Walden Lake that is most of the year, including many winter middays. The EPA Sun Safety action steps apply at the same threshold used worldwide.

Does Walden Lake need sun protection in winter?

Usually yes. At 28.0°N, winter middays in Walden Lake 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 Walden Lake?

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.

UV index in Walden Lake today

Walden Lake sits on the water in Florida at 28.0°S. Lake glare works like a beach: UV from above and off the surface, with summer middays typically 11–13 (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 Walden Lake

Peak UV, temperature and conditions for Walden Lake. 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 Walden Lake can still sit at protection levels. Why you burn on cloudy days.

When Walden Lake needs sun protection

Sun protection is needed in Walden Lake 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 Walden Lake need sun protection?: Whenever the UV index is 3 or above. In Walden Lake that is most of the year, including many winter middays. The EPA Sun Safety action steps apply at the same threshold used worldwide.
Does Walden Lake need sun protection in winter?: Usually yes. At 28.0°N, winter middays in Walden Lake 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 Walden Lake?: 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.