Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Kalianda, Indonesia, where the tropical climate can lead to substantial UV exposure. With UV levels peaking as high as 11 during midday, awareness of these readings is essential for sunburn prevention and maintaining long-term skin health. Familiarizing yourself with the UV Index not only helps you plan your outdoor activities safely but also reinforces the importance of protective measures against sun damage. In this region, where sunlight is abundant, being informed about UV levels can significantly reduce the risk of harmful effects caused by overexposure.
The UV Index rises sharply throughout the morning, starting from a modest 1 at 07:00 and making a steady climb to reach its peak of 11 at both 11:00 and 12:00. During this prime time, sun protection is essential to safeguard against harmful rays. As the afternoon progresses, the index begins to decline, dropping to 10 at 13:00 and then tapering off to 4 by 15:00. By late afternoon, the UV Index diminishes significantly, falling to 1 by 17:00 and ultimately reaching 0 at 18:00 and 19:00. This trend emphasizes the importance of planning outdoor activities for early morning or late afternoon to enjoy the sun safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 7 | high | 25 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, UV Index levels remain notably high, consistently classified as extreme across all months. The highest readings occur from January to April, peaking at 16, making this period particularly hazardous. May and June witness a slight decrease to 12 and 11, respectively, but the risk remains elevated even during summer months. August sees a resurgence to an index of 12, while September and October regain higher ratings of 14 and 15. Notably, November and December also maintain high levels of 15 and 14, respectively. Given the consistently high UV exposure, particularly from January to April, it is crucial for visitors and residents to take precautionary measures such as using sunscreen, wearing protective clothing, and avoiding direct sunlight during peak hours to mitigate the risk of sunburn and skin damage.
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 |
| Kalianda | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |