Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Poto, Indonesia, where the climate combines warmth with significant sun exposure. With UV levels peaking at 12 during midday, awareness is essential for preventing sunburn and protecting skin health. High UV ratings, especially in tropical regions like Poto, can lead to long-term skin damage if precautions are not taken. Stay informed and ready to enjoy the beautiful sun-soaked days while minimizing risks to your skin!
The UV Index throughout the day presented a dynamic shift, beginning at a low 1 by 7:00 AM, gradually escalating to its peak of 12 at noon. The intensity reached 10 at 11:00 AM, warning sun-seekers to take precautions as midday approached. As the afternoon progressed, values began to decline, with the index tapering off to 5 by 3:00 PM and further dropping to 1 by 5:00 PM. Finally, as the sun set, the index fell to a safe 0 by 7:00 PM. For those planning outdoor activities, it was crucial to stay vigilant around midday when UV exposure was at its highest, ensuring a healthy balance between fun in the sun and skin protection.
| 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 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 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 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index displays significant seasonal variations, with the highest values occurring between January and April, where it consistently remains at an extreme level of 15 or 16. These months, especially January through March, are marked by a very rapid burn time of just 10 minutes, indicating critical skin protection is required. May sees a slight decrease to 13, but the risk remains extremely high, continuing through July and August with an index of 12 and 13, respectively. By June, the UV Index drops to 10, categorized as very high, extending the burn time to 15 minutes. As summer fades into early fall, the UV Index begins to climb again, peaking at 14 in September and stabilizing around 14 to 15 from October to December. Visitors and residents should prioritize sun protection during these high-risk months, use broad-spectrum sunscreen, wear protective clothing, and seek shade, especially during midday hours, to minimize the harmful effects of 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 |
| Poto | 15 | 16 | 16 | 15 | 13 | 10 | 12 | 13 | 14 | 15 | 14 | 14 |