Last updated: July 2, 2025
In Simpasai, Indonesia, staying informed about the UV Index is essential for protecting your skin and ensuring overall wellness. Understanding UV levels is crucial in preventing sunburn and reducing the risk of long-term skin damage. With a tropical Aw climate, Simpasai experiences significant UV exposure, especially during midday when the index peaks at 12—a level that can cause harm in just minutes. By being aware of these fluctuations, residents and visitors can take necessary precautions and enjoy the sun safely.
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 |
Simpasai | 15 | 16 | 16 | 15 | 12 | 10 | 12 | 13 | 15 | 15 | 15 | 15 |