Last updated: June 2, 2025
In Perth, Australia, staying informed about the UV Index is crucial for protecting your skin against harmful ultraviolet radiation. Understanding UV levels not only helps prevent sunburn but also plays a significant role in maintaining long-term skin health. With Perth's Cfb climate, residents and visitors alike face unique challenges due to its sunny disposition, particularly during peak hours when UV exposure risks are heightened. By being aware of the daily UV Index, you can make informed decisions to enjoy the outdoors safely while safeguarding your skin.
The UV Index data presents an interesting snapshot of sunlight intensity throughout the day. Starting at 7:00 AM, the index registers a maximum of 0, indicating a safe environment for outdoor activities. As the morning progresses, it gradually rises, peaking at 2 between 11:00 AM and 13:00 PM, signaling a moderate level of UV exposure. This peak highlights a crucial time for sun protection, especially if you’re outdoors. In the early afternoon, the index dips back to 1 by 14:00, then continues to decline, reaching 0 again by 17:00, signaling a safe evening. This information serves as a helpful reminder to stay protected during peak sunlight hours while enjoying the outdoors!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 1 | low | 45 min |
| 11:00 | 2 | low | 45 min |
| 12:00 | 2 | low | 45 min |
| 13:00 | 2 | low | 45 min |
| 14:00 | 1 | low | 45 min |
| 15:00 | 1 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 0 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels fluctuate significantly, with January and December experiencing the highest readings at 13, categorized as extreme, indicating a burn time of just 10 minutes. February and November also pose high risk with an index of 11, remaining in the extreme category. As we transition into March, a gradual decrease to 10 places it in the very high category with a burn time of 15 minutes. The risk wanes through the warmer months, reaching a low of 2 in June and July, where the burn time extends to 45 minutes. By August, UV levels rise again to 4, categorizing it as moderate, before returning to a high level of 6 in April and September. Visitors and residents should prepare for increased sun exposure in the high-risk months of January, February, October, and November, advising protective measures such as sunscreen, hats, and limited time in direct sunlight to safeguard against harmful UV radiation.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Perth | 13 | 11 | 10 | 6 | 3 | 2 | 2 | 4 | 6 | 8 | 11 | 13 |
| Melbourne UVI | 14 | 12 | 11 | 7 | 4 | 3 | 3 | 5 | 7 | 9 | 12 | 14 |
| Adelaide UVI | 14 | 13 | 12 | 8 | 5 | 3 | 4 | 5 | 7 | 10 | 12 | 15 |
| Sydney UVI | 14 | 13 | 11 | 8 | 5 | 3 | 4 | 6 | 8 | 10 | 12 | 14 |
| Perth UVI | 14 | 14 | 11 | 9 | 6 | 4 | 4 | 6 | 8 | 11 | 13 | 14 |
| Brisbane UVI | 15 | 15 | 13 | 10 | 7 | 5 | 5 | 8 | 9 | 12 | 14 | 15 |