Last updated: July 2, 2025
Awareness of the UV Index is crucial for residents of Alton Downs, Australia, especially given the region’s Cfa climate, which can lead to higher UV exposure levels. Understanding UV levels not only helps in preventing sunburn but also plays a significant role in maintaining long-term skin health. As midday approaches, the UV Index can reach a peak of 7, indicating a high risk of harm from unprotected sun exposure. By staying informed about these levels, locals can enjoy the sunny environment safely while protecting themselves from potential skin damage.
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 | 1 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 5 | moderate | 30 min |
11:00 | 6 | high | 25 min |
12:00 | 7 | high | 25 min |
13:00 | 6 | high | 25 min |
14:00 | 5 | 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 |
The UV Index shows significant seasonal variations, with the most hazardous levels occurring from January to April and during September to November, all categorizing as extreme with a burn time of just 10 minutes. Notably, February, November, and December consistently register an extreme UV Index of 15. As summer approaches, the risk decreases slightly with a very high index in May and August, where exposure times extend to 15 minutes, and further dips to a high level in June and July with a burn time of 25 minutes. Visitors and residents are strongly advised to take protective measures, especially during the high-risk months—wearing sunscreen, protective clothing, and seeking shade during peak hours to mitigate the risks of overexposure.
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 |
Alton Downs | 15 | 15 | 14 | 11 | 8 | 6 | 7 | 10 | 11 | 13 | 15 | 15 |