Last updated: May 3, 2025
In Sumohai, Indonesia, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps prevent sunburn and reduces the risk of long-term skin damage, which is particularly important in this tropical region known for its intense sunlight. With a climate characterized by high UV exposure, especially during midday when indexes peak at 13, residents and visitors alike should take proactive steps to stay safe under the sun. Embrace sun protection habits to enjoy the beautiful beaches and vibrant outdoor life that Sumohai has to offer, while keeping your skin healthy and safe.
The UV index climbs steadily as the day progresses, starting from a low of 1 at 07:00. By 09:00, the index reaches a moderate 7, but the real peak occurs between 10:00 and 12:00, where it hits a striking 13. This is the prime time for sunlight exposure, as the index then dips to 11 at 13:00. As the afternoon rolls on, the UV levels gradually decrease, falling to 4 by 15:00 and then further down to 2 at 16:00. Finally, as daylight wanes, the evening sees the UV index drop to 0 by 18:00, signaling it's safe to enjoy the twilight without worry. Remember to protect your skin during peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 11 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 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 |
The UV Index shows extreme values throughout the year, with the highest readings occurring from January to April, where the index peaks at 17. Notably, February and March maintain this peak level, signaling these months as high-risk periods for sun exposure. Even in the summer months, with values ranging from 11 to 13, caution remains essential as the potential for skin damage persists. Residents and visitors are advised to prioritize sun protection during these months, utilizing sunscreen, wearing protective clothing, and seeking shade where possible, particularly during peak sunlight hours, to mitigate the risk of harmful UV exposure.
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 |
| Sumohai | 15 | 17 | 17 | 16 | 13 | 11 | 12 | 13 | 15 | 15 | 15 | 14 |