Does Summertown need sun protection in winter?

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

Can you burn on a cool day in Summertown?

Yes. UV is not heat. A cool, windy or lightly cloudy day in Summertown 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 Summertown today

Q: When does Summertown need sun protection?

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

Summertown is an inland South Australia suburb at 35.0°S. Typical summer peaks of 9–12 (very high to extreme) arrive whether the day feels scorching or merely mild. 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 Summertown

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

When Summertown needs sun protection

Sun protection is needed in Summertown typically from September through April, and any other day UV reaches 3. 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 South Australia

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

Frequently asked questions

When does Summertown need sun protection?: Whenever the UV index is 3 or above. In Summertown that is typically from September through April, and any other day UV reaches 3. SunSmart and ARPANSA use the same rule Australia-wide.
Does Summertown need sun protection in winter?: Not every day. Midwinter middays in Summertown often sit below UV 3, but clear late-winter days (from August in much of South Australia) cross the threshold before the weather feels like spring. Check the live index.
Can you burn on a cool day in Summertown?: Yes. UV is not heat. A cool, windy or lightly cloudy day in Summertown 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.