Does Summer Island need sun protection in winter?

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

Does the water make UV worse in Summer Island?

It can. Sand and water 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 Summer Island today

Q: When does Summer Island need sun protection?

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

Island Summer Island (NSW) sits at 31.0°S. Open water lifts the UV dose on top of a sky reading that commonly hits 10–12 (very high to extreme) in January. 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 Summer Island

Peak UV, temperature and conditions for Summer Island. 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 island day in Summer Island can still sit at protection levels. Why you burn on cloudy days.

When Summer Island needs sun protection

Sun protection is needed in Summer Island typically from September through April, and any other day UV reaches 3. With water on more than one side, reflection is the default, not a beach-only problem.

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 New South Wales

Cancer Council NSW: Sun-safety programs and skin-cancer support across New South Wales.

Frequently asked questions

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