Last updated: May 3, 2025
In Williams, Australia, being aware of the UV Index is crucial for protecting your skin from harmful ultraviolet rays. Understanding UV levels helps you prevent sunburn and promotes long-term skin health, especially during the hottest parts of the day. Williams experiences a Mediterranean climate, characterized by warm summers and ample sunshine, which can lead to increased UV exposure, especially around midday when the UV Index reaches a peak of 6. Stay informed and take precautions to enjoy the outdoors safely!
The UV Index today showcased a notable increase from the early morning hours, starting at a gentle 1 at 07:00 and 08:00. As the sun rose higher in the sky, the index climbed steadily, reaching a significant 6 by 12:00, indicating a peak in UV radiation and the need for sun protection. The afternoon saw a slight decline, with values dropping to 4 at 14:00 and falling further to 2 by 15:00. As the day wound down, the UV index returned to a safer range, ending the day at 0 by 19:00. It’s crucial to stay informed and safeguard your skin during those high UV hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 4 | 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 |
During the year, UV Index levels exhibit noticeable seasonal changes that significantly impact sun safety recommendations. The highest risk months are from January to March and October to November, where the UV Index reaches extreme levels (15-14) and has a rapid burn time of just 10 minutes. In the spring, April sees a reduction to a very high category with a UV Index of 9, while May transitions to a high category (UV Index 6), offering a burn time of 25 minutes. The summer months of June and July present moderate exposure conditions, with a UV Index of 4, allowing for more extended times outdoors (30 minutes). However, as August returns to a high level (UV Index 6), careful sun protection becomes essential again. In the fall, the UV Index climbs back to a very high category in September (UV Index 8) before shifting back to extreme levels in October and November. Visitors and residents are strongly advised to take necessary precautions during high-risk months, such as wearing protective clothing, applying sunscreen with high SPF, and seeking shade whenever possible to minimize the risk of sunburn and long-term 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 |
| Williams | 15 | 14 | 12 | 9 | 6 | 4 | 4 | 6 | 8 | 11 | 13 | 14 |
| Brisbane UVI | 15 | 15 | 13 | 10 | 7 | 5 | 5 | 8 | 9 | 12 | 14 | 15 |