UV Index
UV Index
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Today's UV index in Cairns, Australia 
will be up to 13, indicating a extreme level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
UV index at 13 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.
The UV index in Cairns can reach extreme levels, especially during summer months. It's important to be aware of this if you're planning outdoor activities.
Cairns has two main seasons: the wet season (November to May) and the dry season (June to October). The wet season is characterized by high humidity and regular tropical showers, while the dry season is milder and less humid.
Compared to its region and neighboring countries, Cairns experiences a tropical climate, in contrast to the more temperate climates of southern Australia or the dry climates of inland Australia. Nearby countries like New Zealand have much cooler temperatures year-round.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Cairns. It's designed to provide you with a better understanding of the yearly weather and sun exposure.