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UV Index in Cairns, AU

UV index


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Today's UV index in Cairns, Australia Australia will be up to 13.6, indicating extreme risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.


Today's tips

UV index at 13.6 in Cairns means extreme risk; limit outdoor time from 10 a.m. to 4 p.m., use shade, protective clothing, SPF 30+ sunscreen, and sunglasses; watch for bright surfaces like water and snow increasing UV exposure.

Cairns Weather

Read more here about the climate and sun exposure in and around Cairns.

UV Index in Cairns

The UV index in Cairns, Australia tends to to be very high, especially during the summer months (December to February). It can reach extreme levels, often exceeding 11 (very high to extreme) on a scale of 1 to 11+. This means that sun protection is crucial when spending time outdoors and it is recommended to wear sunscreen, protective clothing, and use shade.

Weather Seasons

UV index

Cairns has two main seasons: the wet season and the dry season. The wet season typically runs from November to April, with heavy rainfall and high humidity. Average temperatures range from 24 °C to 31 °C (75 °F to 88 °F) during this period. The dry season, which spans from May to October, brings cooler temperatures ranging from 18 °C to 26 °C (64 °F to 79 °F) and much less rainfall.

Cairns's Climate

Compared to other regions in Australia, Cairns receives a higher amount of sun exposure due to its tropical location. This increases the risk of sunburn and skin damage. It is essential to take appropriate precautions to protect your skin by using sunscreen, wearing protective clothing, and seeking shade during the hottest hours of the day.

Annual Sun Radiation

The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Cairns. It's designed to provide you with a better understanding of the yearly weather and sun exposure.


* This page's content about the UV index in Cairns (Australia) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.