Last updated: May 3, 2025
In Katherine, Australia, understanding the UV Index is crucial for both sun safety and long-term skin health. With the region's tropical climate delivering consistent sunny days, awareness of UV levels can significantly reduce the risk of sunburn and skin damage. During the peak hours, particularly between 11:00 AM and 1:00 PM, the UV Index can soar as high as 11, indicating extreme sun exposure. Staying informed about these levels empowers residents and visitors alike to take proactive measures, ensuring that time spent in the sun remains enjoyable and safe.
As the day dawns, the UV Index starts at a mild 1 at 7:00 AM, gradually climbing to 2 by 8:00 AM. By 9:00 AM, it quickly rises to 4, signaling a more pronounced sun exposure. The peak intensity is reached at 12:00 PM with a striking 11, indicating a high risk of harm from unprotected sun exposure. Fortunately, this intensity decreases throughout the afternoon, dropping to 4 by 3:00 PM and further to 2 by 4:00 PM. As the sun sets, the UV Index falls to 0 after 6:00 PM, bringing relief as daylight fades. To make the most of sun exposure, plan outdoor activities during the morning or early afternoon while remaining mindful of peak hours!
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 | 10 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 10 | very high | 15 min |
14:00 | 7 | 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, seasonal UV changes indicate a consistent high risk for sun exposure, particularly from January to November, where the UV Index remains in the extreme category, often reaching as high as 16 and requiring only 10 minutes for potential sunburn. The months of February and November also maintain an extreme level, making them high-risk months for sun exposure. Even during the summer months, while the UV Index drops slightly to around 9 and 10 in June and July, caution is still advised. Visitors and residents should ensure they protect their skin during these high UV periods, using sunscreen, wearing protective clothing, and seeking shade whenever possible to minimize the risk of UV-related health issues.
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 |
Katherine | 16 | 16 | 15 | 13 | 11 | 9 | 10 | 12 | 15 | 15 | 16 | 16 |