Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors in Santa Teresa, Australia, where the sun's rays can significantly impact skin health. With a climate classified as BWh, this region experiences high UV levels, especially around midday when indices peak at 7. Being aware of UV levels not only aids in preventing sunburn but also plays a vital role in long-term skin protection. As the sun rises and sets, the variation in UV exposure underscores the importance of checking the UV Index—your best defense against skin damage and maintaining overall well-being while enjoying the beautiful outdoors of Santa Teresa.
At dawn, the UV Index starts off low, with a maximum of 1 at 07:00 and 08:00. As the sun rises higher, it reaches 3 by 09:00, before climbing to a peak of 7 at 12:00. This midday intensity signifies a need for sun protection, especially during the height of the day when UV exposure is most potent. The index begins to decline in the afternoon, dropping to 5 at 14:00 and settling back to 1 by 17:00. By 18:00 and into the evening, the UV Index sharply drops to 0, marking a safe time to enjoy outdoor activities without the risk of sunburn. Stay sun-safe!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index reveals significant seasonal variations, indicating periods of high risk for UV exposure. The months of January through April consistently exhibit extreme UV levels, with an index of 17 to 15 and a rapid burn time of just 10 minutes. As spring approaches, May slightly decreases to a very high UV index of 8, allowing for 15 minutes of burn time. The summer months, June and July, moderate further to a high index of 6 to 7, with burn times extending to 25 minutes. However, as autumn arrives, September experiences a spike back to extreme levels at 12, followed by October and November returning to 16, maintaining a burn time of 10 minutes. Finally, December mirrors the previous month with an index of 16. Visitors and residents should take precautionary measures during these high-risk months—especially from January to April, September, and October—by wearing protective clothing, applying sunscreen, and limiting sun exposure during peak hours to safeguard against harmful UV radiation.
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 |
| Brisbane UVI | 15 | 15 | 13 | 10 | 7 | 5 | 5 | 8 | 9 | 12 | 14 | 15 |
| Santa Teresa | 17 | 17 | 15 | 11 | 8 | 6 | 7 | 9 | 12 | 14 | 16 | 16 |