Last updated: July 2, 2025
Understanding the UV Index in Kalianda, Indonesia is crucial for safeguarding your skin and overall health. With the region's tropical climate often resulting in high UV levels, awareness of daily fluctuations—from a moderate 5 to a peak of 11—can help prevent painful sunburns and long-term skin damage. During the sun's most intense hours, typically between 10 AM and 2 PM, the UV exposure risks significantly increase, making it essential for residents and visitors alike to stay informed and take protective measures against harmful rays.
The UV Index paints an intriguing picture throughout the day. Early morning starts off mild with a maximum of 1 at 07:00. As the sun rises, the intensity ramps up, reaching 2 by 08:00 and then skyrocketing to 5 by 09:00. The peak is at 12:00, where the index hits a striking 11, indicating significant sun exposure risk. This intensity begins to taper post-lunch, with values declining to 10 at 13:00, then gradually falling to 8 at 14:00, and further down to 4 by 15:00. As the evening approaches, the UV Index dwindles to 2 by 16:00, and by 17:00, it drops to 1, finally reaching 0 at 18:00 and 19:00. It's a day where sun protection is crucial during midday hours—stay safe and enjoy the sunshine!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 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, 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 |