Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Essang, Indonesia, where sunlight exposure can significantly impact skin health. With the region's tropical climate, the UV levels can soar, particularly between 10:00 AM and 1:00 PM, reaching a staggering peak of 13. Being aware of these levels is vital for preventing sunburn and safeguarding against long-term skin damage. Whether you're enjoying outdoor activities or simply basking in the sun, recognizing when UV radiation is at its highest can help you make informed decisions about sun protection and health. Stay sun-smart and prioritize your skin health in Essang's vibrant, sun-soaked environment!
The UV Index throughout the day paints a striking picture of sun exposure. Starting at 2 at 7:00 AM, it steadily climbs to a peak of 13 between 11:00 AM and 12:00 PM, indicating a high risk for unprotected skin. As the day progresses, the intensity begins to wane, dropping to 4 by 3:00 PM before fading to 0 by 6:00 PM. The ideal time for outdoor activities with minimal risk is between 9:00 AM and 2:00 PM, when the index hits an impressive 11 and 13. However, caution is advised during the peak hours when the sun is most aggressive. Always remember to protect your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 8 | very high | 15 min |
| 10:00 | 12 | extreme | 10 min |
| 11:00 | 14 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 4 | 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 significant seasonal variations, maintaining an extreme exposure category throughout the year. January to March presents some of the highest values, peaking at 16, indicating that residents and visitors should be particularly cautious, as burn time is as short as 10 minutes. April and May remain high, with a UV Index of 16 and 15, respectively. As summer progresses into June and July, the index slightly drops to 13, but remains in the extreme category. August and September see a return to 14 and 15, followed by October and November where levels stabilize at 14. By December, there's a slight decrease to 12, yet caution is still warranted. Overall, from January through September marks the high-risk months for sun exposure; therefore, it is advisable for individuals to protect their skin with sunscreen, seek shade, and wear protective clothing to avoid sunburn during these periods.
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 |
| Essang | 14 | 16 | 16 | 16 | 15 | 13 | 13 | 14 | 15 | 14 | 14 | 12 |