Last updated: August 1, 2025
In Kesiutkawan Kaja, Indonesia, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding the levels of ultraviolet radiation can help prevent painful sunburns and reduce the risk of long-term skin damage. With a tropical climate that typically features high UV exposure, especially between 10 AM and 2 PM when the index peaks at 11, locals and visitors alike should be proactive in safeguarding their skin. By staying aware of the daily UV levels, you can enjoy the vibrant outdoor lifestyle of Kesiutkawan Kaja while minimizing the harmful effects of sun exposure.
The UV Index for the day presents a clear picture of sun intensity, starting off gentle in the early hours. At 7:00 AM, it begins at a mild 1, increasing to 2 by 8:00 AM. As the sun rises higher, the index climbs rapidly; by 10:00 AM, it reaches 7 and peaks at an intense 11 around 12:00 PM and 1:00 PM. After this zenith, the levels gradually decline, dropping to 9 by 2:00 PM, 6 at 3:00 PM, and settling back to a safe 1 by 5:00 PM. The UV exposure diminishes further, reaching a low of 0 by 7:00 PM. Stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 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 |
| Kesiutkawan Kaja | 15 | 15 | 15 | 14 | 12 | 10 | 11 | 13 | 15 | 15 | 14 | 14 |