Last updated: May 3, 2025
In Rainis, Indonesia, awareness of the UV Index is essential for protecting your skin and overall health. Understanding UV levels helps you gauge your risk for sunburn and long-term skin damage, allowing you to take appropriate precautions throughout the day. With a tropical Af climate, Rainis experiences high UV exposure, especially around midday when the index peaks at 15—a significant risk for harmful effects. Stay informed and enjoy the sun safely by monitoring the UV Index and practicing sun safety measures!
The UV index for the day showcases a dramatic rise as the sun ascends, peaking at a maximum of 15 between 11:00 and 12:00. Early risers will find a mild index of 2 at 07:00, but by 09:00, it escalates to 9, urging caution for those venturing outdoors. The midday hours reveal the highest activity on the UV scale, recording 13 at 10:00 and reaching its zenith with 15 at 11:00. As the afternoon progresses, the index begins to wane, dipping to 12 by 13:00, and dropping to 4 by 15:00. Later, the evening brings relief, with values of 2 at 16:00, followed by a gentle descent to 1 at 17:00 and ultimately falling to 0 by 19:00, signaling a complete end to UV exposure for the day. It's a reminder to enjoy the sun safely, especially during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 9 | very high | 15 min |
| 10:00 | 13 | extreme | 10 min |
| 11:00 | 15 | extreme | 10 min |
| 12:00 | 15 | 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 |
| Rainis | 14 | 16 | 16 | 16 | 15 | 13 | 13 | 14 | 15 | 14 | 14 | 12 |