Last updated: May 3, 2025
Understanding the UV Index is crucial for the residents and visitors of Tembuni, Indonesia, where the tropical climate brings consistently high levels of ultraviolet radiation. By staying aware of UV levels, you can effectively prevent sunburn and safeguard your skin health, reducing the risk of long-term damage. Tembuni's typical UV exposure peaks between 10:00 AM and 2:00 PM, reaching a dangerous maximum of 14 around noon. With UV Index values soaring in this region, knowledge and preparation are key to enjoying the sun safely while minimizing harmful effects.
At 07:00, the UV Index starts off modestly at 1, perfect for a gentle morning stroll. However, by 08:00, it rises to 3, hinting that the sun is becoming more prominent. The real ascent begins at 09:00 with a jump to 6, signaling that outdoor activities should be approached with caution. The peak arrives at 12:00 with a staggering 14—the highest point of the day—making sun protection essential for anyone outside. As the afternoon progresses, the intensity starts to wane, dropping to 12 by 13:00 and then further to 9 at 14:00. By 15:00, the index dips to 6, and as evening approaches, it continues to decrease to 3 at 16:00. The day concludes with a return to low levels, hitting 1 at 17:00 and finally 0 by 18:00 and 19:00. Remember, when it comes to UV exposure, timing is everything!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index experiences consistent extreme levels throughout the year, with values ranging from 12 to 17, indicating a high risk of harm from unprotected sun exposure. The months from January to April show particularly high UV indexes, peaking at 17 in March, making these among the highest-risk periods. While the UV Index remains elevated in the summer months of June (12) and July (13), it slightly declines in May (14) and begins a gradual decrease towards the end of the year. Visitors and residents should take serious precautions during these months, particularly from January to April, ensuring they wear proper sun protection, such as sunscreen, hats, and long sleeves, and seek shade whenever possible, especially during peak hours. Reminder: a burn can occur in as little as 10 minutes, highlighting the importance of vigilance year-round.
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 |
| Tembuni | 15 | 16 | 17 | 16 | 14 | 12 | 13 | 14 | 15 | 15 | 14 | 14 |