When does West Arnhem need sun protection?

Whenever the UV index is 3 or above. In West Arnhem that is every day of the year. SunSmart and ARPANSA use the same rule Australia-wide.

Does West Arnhem need sun protection in winter?

Usually yes. At 12.3°S, winter middays in West Arnhem still commonly reach UV 3 or higher, the SunSmart threshold for Slip, Slop, Slap, Seek, Slide. Check today's live reading on this page before a long lunch outside.

Can you burn on a cool day in West Arnhem?

Yes. UV is not heat. A cool, windy or lightly cloudy day in West Arnhem can still sit at UV 3 or above, especially from spring through autumn. Temperature on this page is for context only; the UV number is what decides protection.

UV index in West Arnhem today

Inland West Arnhem (NT) is 12.3° south. Without sea haze, January UV commonly runs 12–14 (extreme), and a cool morning is no reason to skip sunscreen. This is tropical Australia: the UV index is extreme on most days and does not take a winter off.

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

Today and tomorrow in West Arnhem

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

When West Arnhem needs sun protection

Sun protection is needed in West Arnhem every day of the year. Inland heat or a cool change does not change the UV index; go by the number, not how the day feels.

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 Northern Territory

Cancer Council NT: Prevention and support for the Top End, where UV stays extreme year-round.

Frequently asked questions

When does West Arnhem need sun protection?: Whenever the UV index is 3 or above. In West Arnhem that is every day of the year. SunSmart and ARPANSA use the same rule Australia-wide.
Does West Arnhem need sun protection in winter?: Usually yes. At 12.3°S, winter middays in West Arnhem still commonly reach UV 3 or higher, the SunSmart threshold for Slip, Slop, Slap, Seek, Slide. Check today's live reading on this page before a long lunch outside.
Can you burn on a cool day in West Arnhem?: Yes. UV is not heat. A cool, windy or lightly cloudy day in West Arnhem can still sit at UV 3 or above, especially from spring through autumn. Temperature on this page is for context only; the UV number is what decides protection.