Last updated: May 3, 2025
In Penunjak, Indonesia, understanding the UV Index is crucial for protecting yourself from harmful ultraviolet rays. With high UV levels peaking at 12 during midday, awareness of daily UV exposure is essential for preventing sunburn and maintaining long-term skin health. The region's tropical climate amplifies these risks, making it vital for residents and visitors alike to stay informed about the UV index. By keeping track of UV levels, you can enjoy the sunny outdoors while safeguarding your skin and overall health. Remember, even on overcast days, UV rays can still pose a threat, so make sun safety a priority!
At 07:00, the UV Index starts off gently at 1, making it a great time for morning walkers. By 08:00, it rises to 2, still manageable for outdoor activities. The real intensity kicks in at 09:00, where the UV Index jumps to 5, signaling a need for increased sun protection. 10:00 marks the beginning of peak sun exposure with a UV Index of 8, reaching a dramatic high of 11 at 11:00. As the sun inches towards its zenith, it peaks at 12:00 with a maximum index of 12—a strong reminder to be cautious! The afternoon sees a slight decrease, with 11 at 13:00, followed by a dip to 9 at 14:00. The intensity of the sun gradually fades, dropping to 5 by 15:00, and tapering off to 2 at 16:00. By 17:00, it’s down to 1, and finally, the UV Index relaxes into the evening, hitting 0 by 18:00 and remaining there through 19:00. Remember, the hours around midday are the most potent for UV rays, so prioritize sun safety during those peak times!
| 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 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | 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 shows consistently extreme levels from January through April and then again in July, August, September, October, November, and December, with high-risk months being consistently January through April, and September through November, where the burn time is just 10 minutes. Even in June, while the Index drops to 10 (very high), exposure should still be managed, with a slightly longer burn time of 15 minutes. Visitors and residents are advised to take precautionary measures year-round, such as wearing protective clothing, using sunscreen with high SPF, and seeking shade, especially during these high-risk months, to minimize the risk of UV exposure and potential skin damage.
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 |
| Penunjak | 15 | 15 | 15 | 15 | 13 | 10 | 11 | 13 | 15 | 15 | 15 | 15 |