Does Donnelly River need sun protection in winter?

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

Does the water make UV worse in Donnelly 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.

UV index in Donnelly River today

Q: When does Donnelly River need sun protection?

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

Donnelly River sits on the river in Western Australia at 34.1°S. Open water and bare banks mean extra UV on top of a summer midday that typically reaches 9–12 (very high to extreme). 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 Donnelly River

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

When Donnelly River needs sun protection

Sun protection is needed in Donnelly River typically from September through April, and any other 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

Local support in Western Australia

Cancer Council WA: West Australian sun-safety campaigns and SunSmart schools.

Frequently asked questions

When does Donnelly River need sun protection?: Whenever the UV index is 3 or above. In Donnelly River that is typically from September through April, and any other day UV reaches 3. SunSmart and ARPANSA use the same rule Australia-wide.
Does Donnelly River need sun protection in winter?: Not every day. Midwinter middays in Donnelly River often sit below UV 3, but clear late-winter days (from August in much of Western Australia) cross the threshold before the weather feels like spring. Check the live index.
Does the water make UV worse in Donnelly 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.