Does Marengo need sun protection in winter?

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

Does the water make UV worse in Marengo?

It can. Sand and water 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 Marengo today

Q: When does Marengo need sun protection?

Whenever the UV index is 3 or above. In Marengo that is typically from October through March, and any spring or autumn day UV reaches 3. SunSmart and ARPANSA use the same rule Australia-wide.

Marengo (VIC) is a coastal suburb at 38.8°S. Clear-sky summer peaks are typically 8–11 (very high to extreme), and the same UV that burns on the sand is still there on a cool, windy arvo. This is cool-temperate Australia: summer UV still climbs into the very high and extreme bands, and spring arrives earlier than the air temperature admits.

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

Today and tomorrow in Marengo

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

When Marengo needs sun protection

Sun protection is needed in Marengo typically from October through March, and any spring or autumn day UV reaches 3. On the water or the sand, reflection can lift your dose even when the forecast UV already looks high.

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 Victoria

Cancer Council Victoria: Runs the SunSmart program that pioneered UV-based sun protection advice.

Frequently asked questions

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