Does Dee Why need sun protection in winter?

Not every day. Midwinter middays in Dee Why 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 beach make UV worse in Dee Why?

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 Dee Why today

Q: When does Dee Why need sun protection?

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

Dee Why (NSW) is a coastal suburb at 33.8°S. Clear-sky summer peaks are typically 10–12 (very high to extreme), and the same UV that burns on the sand is still there on a cool, windy arvo. 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 Dee Why

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

When Dee Why needs sun protection

Sun protection is needed in Dee Why typically from September through April, and any other day UV reaches 3. On the water or the sand, reflection can lift your dose even when the forecast UV already looks high.

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 Dee Why need sun protection?: Whenever the UV index is 3 or above. In Dee Why that is typically from September through April, and any other day UV reaches 3. SunSmart and ARPANSA use the same rule Australia-wide.
Does Dee Why need sun protection in winter?: Not every day. Midwinter middays in Dee Why 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 beach make UV worse in Dee Why?: 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.