Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Waihibar, Indonesia, where the warm tropical climate brings both beauty and potential risks to skin health. As UV levels can surge to a high of 10 around midday, awareness of these fluctuations is essential for preventing sunburn and protecting against long-term skin damage. By keeping track of the UV Index, you can make informed decisions about outdoor activities and take necessary precautions to enjoy the sun safely. With Waihibar’s Aw climate zone—characterized by its humid conditions and high UV exposure—staying informed is your best defense against harmful rays.
The UV Index chart for the day paints a vivid picture of changing sun exposure. Starting off gentle at 1 at 07:00, it quickly rises to 2 by 08:00. The intensity escalates as the clock strikes 09:00, hitting 5, but the real peak arrives at 11:00 and 12:00, soaring to a strong 10—a clear signal to slather on that sunscreen! By mid-afternoon, the index begins its descent, sliding to 9 at 13:00 and tapering off to 4 by 15:00. As the sun begins to set, the UV index drops to 2 at 16:00, and finally retreats to 1 at 17:00. The day concludes with no UV exposure after 18:00, allowing for a safe evening outdoors.
| 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 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | 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 |
The UV Index data reveals significant seasonal variations, with extremely high levels persisting from January through April and again in July, August, September, October, and November. The months of January through April consistently show UV Index values between 15 and 16, indicating an exposure category of extreme, with a rapid burn time of just 10 minutes. In May, the index slightly drops to 12, but it remains in the extreme category until June, when it falls to a very high level of 10. Visitors and residents should be particularly cautious during the high-risk months of January, February, March, April, July, August, September, October, and November, all classified as extreme exposure months. To protect against skin damage, it is imperative to apply sunscreen, wear protective clothing, and limit sun exposure, especially during midday 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 |
| Waihibar | 15 | 16 | 16 | 15 | 12 | 10 | 12 | 13 | 15 | 15 | 15 | 15 |