UV index in Causeway today
Causeway is a Australian Capital Territory lake suburb at 35.3°S. Typical summer peaks of 9–12 (very high to extreme) feel milder in a lake breeze — the index does not drop with the temperature. 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 Causeway
Peak UV, temperature and conditions for Causeway. 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 lakeside day in Causeway can still sit at protection levels. Why you burn on cloudy days.
When Causeway needs sun protection
Sun protection is needed in Causeway typically from September through April, and any other day UV reaches 3. Lake glare adds a second dose on top of the sky reading, the same way a beach does.
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 Australian Capital Territory
Cancer Council ACT: Sun-safety advice and support for the Canberra region.
Frequently asked questions
- When does Causeway need sun protection?
- Whenever the UV index is 3 or above. In Causeway that is typically from September through April, and any other day UV reaches 3. SunSmart and ARPANSA use the same rule Australia-wide.
- Does Causeway need sun protection in winter?
- Not every day. Midwinter middays in Causeway often sit below UV 3, but clear late-winter days (from August in much of Australian Capital Territory) cross the threshold before the weather feels like spring. Check the live index.
- Does the water make UV worse in Causeway?
- It can. The lake surface 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.