When does Simpson Desert need sun protection?

Whenever the UV index is 3 or above. In Simpson Desert that is most of the year, including many winter middays. SunSmart and ARPANSA use the same rule Australia-wide.

Does Simpson Desert need sun protection in winter?

Usually yes. At 26.7°S, winter middays in Simpson Desert 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.

Is UV worse in dry inland Simpson Desert?

Often the dose is higher than a coastal day at the same index, because there is so little shade or haze. At 26.7°S the sky is frequently clear, so the live reading on this page is what you get — not a filtered version.

UV index in Simpson Desert today

Simpson Desert sits in dry inland South Australia at 26.7°S, where clear skies and almost no shade make UV harsher than the already-high index. Summer middays typically reach 11–13 (extreme). This is subtropical sun: protection weather for most 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 Simpson Desert

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

When Simpson Desert needs sun protection

Sun protection is needed in Simpson Desert most of the year, including many winter middays. Dry air and almost no natural shade mean the index on this page is the whole story — there is little cloud or tree cover to blunt it.

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 South Australia

Cancer Council SA: South Australian prevention programs and support services.

Frequently asked questions

When does Simpson Desert need sun protection?: Whenever the UV index is 3 or above. In Simpson Desert that is most of the year, including many winter middays. SunSmart and ARPANSA use the same rule Australia-wide.
Does Simpson Desert need sun protection in winter?: Usually yes. At 26.7°S, winter middays in Simpson Desert 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.
Is UV worse in dry inland Simpson Desert?: Often the dose is higher than a coastal day at the same index, because there is so little shade or haze. At 26.7°S the sky is frequently clear, so the live reading on this page is what you get — not a filtered version.