UV index in Blind River today
Blind River is a Marlborough river community at 41.7°S. Typical summer peaks of 8–10 (very high) do not ease just because you are under thin tree shade. This is cool-temperate New Zealand: summer UV still climbs into the very high band, and spring arrives before the weather feels hot.
Live reading · data by Open-Meteo · reference monitoring by ARPANSA
Today and tomorrow in Blind River
Peak UV, temperature and conditions for Blind River. 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 Blind River can still sit at protection levels. Why you burn on cloudy days.
When Blind River needs sun protection
Sun protection is needed in Blind River typically from October through March, and any spring or autumn day UV reaches 3. Time on the river reflects UV back up, so banks and boats need the same cover as a beach day.
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 Blind River need sun protection?
- Whenever the UV index is 3 or above. In Blind River that is typically from October through March, and any spring or autumn day UV reaches 3. SunSmart NZ and NIWA use the same UV Index scale as Australia.
- Does Blind River need sun protection in winter?
- Not every day. Midwinter middays in Blind River often sit below UV 3, but clear late-winter days (from August in much of Marlborough) cross the threshold before the weather feels like spring. Check the live index.
- Does the water make UV worse in Blind River?
- It can. The river reflect ultraviolet, so skin that is not covered (including under the chin and on the tops of feet) picks up extra dose on top of the direct sun. The live UV index on this page is the sky reading; reflection is on top of that.