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Cairns UV Index Today

Day Summary

The UV index in Cairns, Australia Flag of Australia will reach a high of 8.5 today. This means a veryhigh level of sun exposure. See our tips below to stay safe!

Last checked: 2025-08-04

Hourly Forecast Chart

Today's Safety Tips

The risk is very high. It's best to stay out of the sun between 10 a.m. and 4 p.m. If you must be outside, wear protective clothing and apply sunscreen often.

Cairns's UV Index

Cairns has a high UV index, often reaching 10 or above during summer months. This means the sun's rays are very strong, especially around noon. UV levels drop in the winter but can still be moderate.

Weather Seasons

UV index

The weather in Cairns is tropical with two main seasons: a hot, wet summer and a warm, dry winter. Summers are rainy and humid, while winters are cooler and much drier. Temperatures stay warm all year, rarely getting cold.

Cairns's Climate

Compared to other parts of Australia, Cairns is much warmer and wetter. It has more rain than cities like Sydney or Melbourne. Compared to neighboring countries like Papua New Guinea, Cairns is slightly cooler but has similar tropical weather.

Hourly UV Index Trend

See the UV index hour by hour for Cairns. When the level is high, it's smart to find some shade.

Disclaimer

* The information on this page about the UV index in Cairns is for educational purposes only. It is not a substitute for professional medical advice. Always consult a doctor for any health concerns.