Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Tentenan, Indonesia, especially considering the region's tropical climate and high potential for sun exposure. The UV Index indicates the strength of ultraviolet radiation from the sun, which can greatly affect skin health and increase the risk of sunburn and long-term damage. In Tentenan, where UV levels peak dramatically around midday, awareness of these changes can help individuals take proactive steps to protect themselves from the harmful effects of the sun. By knowing when the UV Index is highest, you can enjoy the beautiful outdoor environment while safeguarding your skin health.
As the day dawns, the UV Index starts off gently at 2 by 7:00 AM, making it a perfect time for a morning stroll. By 8:00 AM, it climbs to 4, encouraging early risers to enjoy the sunshine while being mindful of sun exposure. At 9:00 AM, it reaches 6, signaling that protection is advisable. By 10:00 AM, the index surges to a peak of 9, alerting everyone to the need for sunscreen as the sun is at its most intense. 11:00 AM brings the day's maximum UV Index of 11, a critical hour to seek shade or wear protective gear. As noon approaches, the UV Index dips slightly to 10 and begins a slow descent through the afternoon. By 1:00 PM, it rests at 8, then gradually falls to 5 at 2:00 PM, before continuing to decrease to 3 by 3:00 PM. As the sun starts its descent, the levels drop to 1 by 4:00 PM and remain mild through the evening, finally settling to 0 by 6:00 PM. Through this rollercoaster of UV exposure, staying informed and protected is key to enjoying outdoor activities safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits extreme levels throughout the year, peaking in February, March, and September at a notable 15. This indicates a very short burn time of just 10 minutes across all months, suggesting that residents and visitors should exercise caution and take protective measures against sun exposure regardless of the month. The high-risk months overall remain from February to September, during which UV protection is particularly essential. It's advisable to wear sunscreen, sunglasses, and protective clothing, and to seek shade during peak daylight hours to minimize risks associated with excessive UV exposure.
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 |
| Tentenan | 13 | 15 | 15 | 14 | 13 | 11 | 12 | 13 | 15 | 15 | 14 | 13 |
| Bandung UVI | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |