Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Ulmarra, Australia, where the subtropical climate can lead to elevated sun exposure. As UV levels fluctuate throughout the day, knowing when to protect your skin becomes essential for sunburn prevention and maintaining long-term skin health. With peak UV Index values reaching up to 6 around midday, it's important to remain vigilant—especially considering the region's sunny disposition. By staying informed about UV levels, you can enjoy the outdoors while minimizing risks associated with harmful solar radiation.
As the sun rises, the UV Index begins its climb, starting at a mild 1 by 07:00. By 09:00, it reaches 3, signaling a gentle warmth in the air. The day peaks around 11:00 and 12:00, where the index soars to a high of 6, advising outdoor enthusiasts to take precautions against harmful rays. After a vibrant midday, the UV intensity starts to taper off, dropping to 3 by 14:00, then gradually declining to 1 by 16:00. As the evening arrives, the UV Index dips to 0 after 18:00, marking a safe return for all as daylight fades. Remember, while enjoying those sunlit hours, protect your skin and stay hydrated!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 5 | moderate | 30 min |
11:00 | 6 | high | 25 min |
12:00 | 6 | high | 25 min |
13:00 | 5 | 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 |
The UV Index exhibits significant seasonal variation, with extreme levels in the winter months of January, February, and December, as well as in March, October, and November, where the burn time is as brief as 10 minutes. The months of April and September experience very high exposure, with burn times extending to 15 minutes. As we transition into May, August, and June, the exposure decreases to high and moderate categories, allowing for longer burn times of 25 and 30 minutes, respectively. Visitors and residents should take precautionary measures during the high-risk months of January, February, March, October, and November by seeking shade, wearing protective clothing, and using sunscreen to minimize skin damage.
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 |
Ulmarra | 15 | 15 | 13 | 9 | 7 | 4 | 5 | 7 | 9 | 11 | 13 | 15 |
Brisbane UVI | 15 | 15 | 13 | 10 | 7 | 5 | 5 | 8 | 9 | 12 | 14 | 15 |