Last updated: July 2, 2025
In Ncera, Indonesia, being aware of the UV Index is essential for protecting your skin and maintaining overall health. The UV Index provides valuable insights into the sun's intensity throughout the day, particularly during peak hours when the risk of sunburn escalates significantly. Understanding these UV levels is crucial for sunburn prevention and long-term skin health, especially in Ncera's hot and humid Aw climate. With UV levels reaching a maximum of 12 at noon, residents and visitors must be proactive in safeguarding against harmful exposure. Knowing when to seek shade, wear protective clothing, or use sunscreen can make a significant difference in your sun safety routine.
The UV Index for the day starts off low, peaking at 1 by 07:00 and gradually rising through the morning hours. By 09:00, it hits 5, but the real surge occurs around 10:00, where it jumps to 8 and reaches its maximum of 12 at 12:00. The intensity wanes slightly in the early afternoon, dipping to 11 at 13:00 and then 8 at 14:00. As the day progresses, the index decreases to 5 by 15:00, and continues its decline to 1 by 17:00. By evening, the UV Index settles at 0, signaling a safe time to enjoy the outdoors without the worry of ultraviolet exposure.
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 | 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 |
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 |
Ncera | 15 | 16 | 16 | 15 | 12 | 10 | 12 | 13 | 15 | 15 | 15 | 15 |