Last updated: May 3, 2025
In Korem, Indonesia, being aware of the UV Index is crucial for safeguarding your skin and overall health. The UV Index measures the strength of ultraviolet radiation from the sun, and understanding its levels can help prevent sunburn and reduce long-term skin damage. With Korem's Af climate characterized by high humidity and warm temperatures, residents and visitors face significant UV exposure risks—especially during midday when the index peaks at a staggering 14. Stay informed about the UV Index to enjoy the sunshine safely while protecting your skin’s health!
The UV Index throughout the day showcases a dramatic rise and fall in intensity, peaking during the midday hours. Starting at a mild 1 at 07:00, the index climbs steadily, reaching a vibrant 14 by 12:00—the height of sun exposure. 11:00 and 12:00 are particularly notable, with readings of 13 and the maximum of 14, highlighting the urgency for sun protection during these hours. As the afternoon progresses, the UV Index begins to decline, cooling down to 5 by 15:00, before dropping to a gentle 1 by 17:00 and diminishing to 0 after 18:00. This fluctuation serves as a crucial reminder for outdoor enthusiasts to be mindful of sun safety, especially between 10:00 and 14:00 when the sun’s rays are at their strongest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 11 | extreme | 10 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 | 5 | 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, UV Index values remain consistently high, indicating extreme exposure categories with a burn time of just 10 minutes across all months. The highest UV Index readings occur from February to April, peaking at 17, making these months the highest risk for sunburn and skin damage. While the index slightly decreases in the summer months of June and July, it still remains at 12, indicating a need for precaution. As the year progresses into the fall and winter, values gradually lower but remain in the 14 to 15 range. Visitors and residents are advised to take protective measures year-round, including wearing sunscreen, protective clothing, and sunglasses, especially during the high-risk months of February through April. Staying informed about UV levels can help mitigate the risk of harm from sun 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 |
| Korem | 15 | 16 | 17 | 17 | 14 | 12 | 12 | 14 | 15 | 15 | 14 | 13 |