Does Naumai need sun protection in winter?

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

Can you burn on a cool day in Naumai?

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

Inland Naumai (NTL) is at 36.1°S. Without sea haze, January UV commonly runs 9–11 (very high to extreme), and a cool morning is no reason to skip sunscreen. This is warm-temperate New Zealand: a long protection season from early spring through autumn, with clear winter days that can still burn.

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

Today and tomorrow in Naumai

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

When Naumai needs sun protection

Sun protection is needed in Naumai 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

Frequently asked questions

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