Last updated: July 2, 2025
Understanding the UV Index in Port Denison, Australia is crucial for safeguarding your skin health and preventing sunburn, especially in a region characterized by its warm Mediterranean climate. With typical UV exposure peaking at a level of 5 during midday hours, residents and visitors alike should be vigilant about the sun's intensity. Recognizing these levels empowers you to take proactive measures against harmful UV radiation, ensuring that your time outdoors remains enjoyable and safe. Stay informed and protected as you explore the stunning landscapes and vibrant lifestyle of Port Denison!
The UV index makes a gradual ascent throughout the morning, starting at a low of 0 at 07:00 and peaking at a moderate 5 from 12:00 to 13:00. As the sun reaches its zenith, UV exposure is at its highest, making it essential to protect your skin during these hours. After 13:00, the index begins its descent, dropping back to a relatively low value of 3 by 15:00 and further down to 1 towards the evening. As the sun sets at 18:00, the UV index returns to 0, signaling a safe end to sun exposure for the day. Enjoy the sun, but remember to stay sun-smart 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 | 5 | moderate | 30 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 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 |