Last updated: June 2, 2025
Understanding the UV Index is crucial for maintaining skin health in Legian, Indonesia, where sun exposure can be intense throughout the day. The UV levels can soar to a maximum of 10 around midday, emphasizing the importance of sunburn prevention strategies as you enjoy the beautiful beaches. With its tropical climate, Legian presents a vibrant atmosphere but also increases the risk of harmful UV exposure. By monitoring the UV Index, residents and visitors can make informed decisions on sun protection, ensuring a safe and enjoyable experience under the Balinese sun.
The UV Index for the day reveals a significant fluctuation in intensity, peaking at 10 during the midday hours (12:00 PM and 1:00 PM), indicating a high risk of harm from unprotected sun exposure. Early risers will find the sun’s rays quite mild at 1 and 2 between 7:00 AM and 9:00 AM. However, as the morning progresses, the UV intensity surges to 7 by 10:00 AM and reaches its zenith with a strong 9 at 11:00 AM. After the peak, the levels gradually decline, dropping to 5 by 3:00 PM, and diminishing to 1 by 5:00 PM, with the evening bringing a return to safety as it falls to 0 by 7:00 PM. Remember to protect your skin during the peak hours, especially between 11:00 AM and 1:00 PM!
| 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 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The seasonal UV changes indicate that January through April maintain an extreme UV Index of 15, with consistent burn times of just 10 minutes. As we transition into May and June, the UV levels decrease slightly to 12 and 10, respectively, but remain in the very high to extreme categories. The peak summer months of July and August see a jump back to an extreme rating with a burn time of 10 minutes, while September and October return to an extreme level of 15. November and December continue this trend with UV indices of 14, ensuring that high-risk months span throughout the year, particularly from January to September. Therefore, it is crucial for visitors and residents alike to adopt strict sun protection measures, such as applying sunscreen regularly, wearing protective clothing, and seeking shade to minimize exposure, especially during peak UV hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Surabaya UVI | 13 | 15 | 14 | 12 | 12 | 10 | 11 | 12 | 14 | 13 | 13 | 13 |
| Bekasi UVI | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
| Jakarta UVI | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
| Medan UVI | 13 | 15 | 15 | 15 | 14 | 12 | 12 | 13 | 14 | 14 | 13 | 12 |
| Bandung UVI | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |
| Legian | 15 | 15 | 15 | 14 | 12 | 10 | 11 | 13 | 15 | 15 | 14 | 14 |