Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Sinarwangi, Indonesia, where the tropical climate brings high levels of ultraviolet exposure, especially during peak hours. With UV levels often soaring to a maximum of 11 around midday, being aware of these fluctuations is essential for sunburn prevention and maintaining long-term skin health. By keeping an eye on the UV Index, you can better manage your time in the sun and protected against potential harm. In Sinarwangi's Af climate, the risk of skin damage is elevated, making it all the more important to stay informed and take the necessary precautions.
At the break of dawn, the UV Index begins its gentle rise, starting at a mild 1 at 07:00. By 08:00, it escalates to a moderate 3, signaling the sun’s growing intensity. Things heat up as the clock strikes 09:00, reaching a 5, before peaking at a striking 11 by 11:00 and 12:00—the time for sun protection is now! As the afternoon wanes, the index gradually declines: down to 9 at 13:00, then settling at 7 by 14:00. The evening brings relief with a drop to 4 by 15:00, further to 2 at 16:00, and eventually fading to 1 at 17:00. By 18:00, the UV implications disappear altogether with a 0, making the evening safe for outdoor activities. Remember, it’s crucial to stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 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 experiences significant highs throughout the year, remaining in the extreme exposure category from January to December. Notably, the highest UV levels occur from February to March and in October, with indices reaching 16, marking these months as high-risk for skin damage. Visitors and residents should be aware that burn time is only 10 minutes regardless of the month, indicating a consistent risk for sunburn. To protect against harmful UV exposure, it is essential to seek shade, wear protective clothing, use broad-spectrum sunscreen, and limit time outdoors during peak sunlight hours, particularly from February to March and October. Staying vigilant year-round is crucial given the persistent high UV levels.
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 |
| Sinarwangi | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 13 | 15 | 16 | 15 | 14 |