Does Koutu need sun protection in winter?

Not every day. Midwinter middays in Koutu 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 Koutu?

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

Koutu in Northland sits inland at 35.5°S, where dry air and fewer clouds often mean harsher UV than the temperature suggests. Summer middays typically reach 9–11 (very high to extreme). 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 Koutu

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

When Koutu needs sun protection

Sun protection is needed in Koutu 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 Koutu need sun protection?: Whenever the UV index is 3 or above. In Koutu 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 Koutu need sun protection in winter?: Not every day. Midwinter middays in Koutu 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 Koutu?: Yes. UV is not heat. A cool, windy or lightly cloudy day in Koutu 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.