Does Lake Powell need sun protection in winter?

Not every day. Midwinter middays in Lake Powell often sit below UV 3, but clear late-winter days (from August in much of Victoria) cross the threshold before the weather feels like spring. Check the live index.

Does the water make UV worse in Lake Powell?

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 Lake Powell today

Q: When does Lake Powell need sun protection?

Whenever the UV index is 3 or above. In Lake Powell that is typically from September through April, and any other day UV reaches 3. SunSmart and ARPANSA use the same rule Australia-wide.

Lakeside Lake Powell (VIC) is 34.7° south. Time on the water or the foreshore adds reflection on top of a January sky that commonly reaches 9–12 (very high to extreme). This is warm-temperate Australia: a long protection season from early spring through autumn, with the odd clear winter midday that still burns.

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

Today and tomorrow in Lake Powell

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

When Lake Powell needs sun protection

Sun protection is needed in Lake Powell typically from September through April, and any other day UV reaches 3. 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

Local support in Victoria

Cancer Council Victoria: Runs the SunSmart program that pioneered UV-based sun protection advice.

Frequently asked questions

When does Lake Powell need sun protection?: Whenever the UV index is 3 or above. In Lake Powell that is typically from September through April, and any other day UV reaches 3. SunSmart and ARPANSA use the same rule Australia-wide.
Does Lake Powell need sun protection in winter?: Not every day. Midwinter middays in Lake Powell often sit below UV 3, but clear late-winter days (from August in much of Victoria) cross the threshold before the weather feels like spring. Check the live index.
Does the water make UV worse in Lake Powell?: 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.