Last updated: May 3, 2025
Understanding the UV Index in Cempa, Indonesia, is crucial for safeguarding your skin health and preventing sunburns, especially given the region’s tropical climate which brings intense sunlight throughout much of the year. The UV Index indicates the strength of ultraviolet (UV) radiation, with levels peaking between 10 AM and 2 PM, highlighting the importance of awareness during these hours. With peak indices reaching a scorching 12 at noon, it’s vital for residents and visitors alike to adapt their sun protection strategies, ensuring that outdoor activities don’t come at the expense of their skin’s well-being. Stay informed and enjoy the sunny beauty of Cempa responsibly!
Today’s UV Index reveals a striking pattern of solar intensity throughout the day. The morning begins gently at 7:00 AM with a low index of 1, gradually climbing to 3 by 8:00 AM. As the sun rises higher, the index peaks at a blazing 12 at noon, signaling the hour of greatest sun exposure. Throughout the early afternoon, UV levels remain high at 11 before starting their descent after 2:00 PM, dropping to 4 by 3:00 PM. By late afternoon, the index dwindles to a safe 1 by 5:00 PM, and the sun sets, leaving us with a calming 0 from 6:00 PM onward. It’s important to stay protected during those hours of maximum UV intensity!
| 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 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | 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 |
Throughout the year, the UV Index fluctuates significantly, with extreme exposure categories dominating the winter and early spring months. From January to April, the UV Index remains at a high 15-16, indicating a burn time of just 10 minutes. As we transition into summer, the intensity slightly decreases, with June witnessing a very high index of 10, allowing for a slightly extended burn time of 15 minutes. However, July and August revert back to extreme levels (12-13) with a burn time of 10 minutes once again. September and October see the UV Index hovering between 14-15, while slightly less intense than earlier months, still pose risks with a burn time of 10 minutes. As winter approaches in November and December, the levels remain fairly consistent, with a UV Index around 13-14. Given these data, it's crucial for visitors and residents alike to exercise caution and utilize sun protection measures during high-risk months, particularly from January through September. Regularly applying sunscreen, wearing protective clothing, and seeking shade during peak hours will help mitigate the risks associated with high 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 |
| Bandung UVI | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |
| Cempa | 15 | 16 | 16 | 15 | 12 | 10 | 12 | 13 | 15 | 14 | 14 | 13 |