Last updated: June 2, 2025
Understanding the UV Index in Port Denison, Australia, is crucial for safeguarding your skin health and preventing sunburn. With its Csa climate, the region experiences varied UV exposure throughout the day, peaking during midday hours. Knowing these UV levels not only helps residents and visitors enjoy the sun safely but also fosters long-term skin protection habits. As you navigate the sunlight in Port Denison, stay informed about the UV Index to enjoy the outdoors while minimizing risks associated with intense UV radiation.
The UV Index throughout the day shows a gradual rise and fall, peaking at 12:00 PM with a value of 5, indicating a moderate level of UV exposure. Starting from a safe 0 at 07:00 AM, the index begins to increase, reaching 3 by 10:00 AM and climbing to 4 at 11:00 AM. As the sun reaches its zenith, the UV Index hits its max at 12:00 PM, before gradually declining to 4 at 1:00 PM and then to 3 by 2:00 PM. After that, it gently descends to 1 from 4:00 PM to 5:00 PM, before dropping back to 0 by 6:00 PM as the sun sets. Overall, the day presents varied UV levels, reminding us to stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 2 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index values fluctuate significantly, peaking during the winter months (January to March) with extreme readings of 15 to 12 and a burn time as short as 10 minutes. The spring sees a decrease, with April dropping to 10 (very high) and burn time extending to 15 minutes. By May, UV levels fall to 7 (high) and continue to remain moderate (UV Index of 5) during the summer months of June and July. Conversely, a slight increase is observed in August and September, where UV levels reach 7 and 9, respectively, with moderate to very high risk categories. In the final quarter, October to December return to extreme levels of 12 to 14, with quick burn times of 10 minutes. Visitors and residents should take proper precautions during the high-risk months of January, February, March, October, November, and December, such as wearing sunscreen, protective clothing, and seeking shade to minimize UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Port Denison | 15 | 14 | 12 | 10 | 7 | 5 | 5 | 7 | 9 | 12 | 14 | 14 |
| Brisbane UVI | 15 | 15 | 13 | 10 | 7 | 5 | 5 | 8 | 9 | 12 | 14 | 15 |