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UV Index in Perth, AU

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Today's UV index in Perth, Australia Australia will be up to 11.9, 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 11.9 in Perth 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.

Perth Weather

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

UV Index in Perth

The UV index in Perth, Australia is generally high due to its location under the ozone hole. During the summer months (December to February), the UV index often reaches extreme levels, with values between 10 to 15+. It is crucial to take appropriate precautions, such as wearing sunscreen, sunglasses, and hats, and seeking shade during peak UV hours from 10 am to 4 pm.

Weather Seasons

UV index

Perth experiences a Mediterranean climate with distinct seasons. From December to February, it is summer with average temperatures ranging from 24 °C to 31 °C (75 °F to 88 °F). Autumn (March to May) brings mild temperatures between 16 °C to 24 °C (61 °F to 75 °F). Winter (June to August) sees cooler temperatures ranging from 9 °C to 18 °C (48 °F to 64 °F), while spring (September to November) brings pleasant temperatures of 14 °C to 23 °C (57 °F to 73 °F).

Perth's Climate

Compared to other areas in its region, Perth has a higher sun exposure due to its location in Western Australia. The city receives an average of 8-9 hours of sunshine per day throughout the year. This is considerably higher than nearby cities like Melbourne and Sydney. It is important to stay sun-safe in Perth and be aware of the high sun exposure, particularly during the summer months.

Annual Sun Radiation

The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Perth. 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 Perth (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.