UV Index
UV Index
Today's UV index in Perth, Australia 
will be up to 4, indicating a moderate level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-12
With a UV index reaching up to 4 in Perth, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
Perth's UV index often reaches very high levels, especially in summer, commonly ranging from 8 to 11. It means the sun can be very strong there, particularly from November to February.
Perth experiences hot, dry summers with temperatures often above 30°C (86°F) and mild, wet winters with temperatures around 10-20°C (50-68°F). Most rain falls between May and August, making winters cooler and wetter.
Compared to other parts of Australia, Perth is drier and sunnier than the east coast cities like Sydney or Brisbane. It has a Mediterranean climate, unlike the tropical north or the cooler southern states. Neighboring countries like Indonesia are more humid and rainy year-round.
See the UV index hour by hour for Perth, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.