Last updated: June 2, 2025
In Riberalta, Bolivia, awareness of the UV Index is essential for protecting your skin and overall health. Understanding UV levels throughout the day can help prevent sunburn and long-term skin damage, which is especially crucial in this tropical climate where UV exposure can be intense. With readings peaking at 10 around midday, Riberalta residents and visitors must stay vigilant during these hours to safeguard against the risks of overexposure. By being informed and proactive, you can enjoy the vibrant outdoors while keeping your skin healthy and safe.
The UV Index today follows a clear pattern, starting at a safe 1 early in the morning from 07:00 to 08:00. As the sun climbs higher, the intensity peaks with a dramatic rise, hitting 6 by 10:00 and soaring to its maximum of 10 from 12:00 to 13:00—a time for caution as UV exposure is especially high. In the afternoon, the index begins to drop, tapering to 8 at 14:00 and dropping further to 5 by 15:00. As the evening approaches, the values steadily decline to 1 by 17:00 and eventually reach 0 after 19:00. Stay protected during the midday hours to enjoy the sun safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index demonstrates significant fluctuations throughout the year, with the highest levels recorded during winter and late fall months. January, February, and March each have an exceptionally high UV Index of 15, categorized as extreme, meaning just 10 minutes of exposure can lead to skin burns. Similarly, November sees an increase to 16, also firmly in the extreme zone. April and October display slightly lower yet still high indices of 14, maintaining a high-risk classification. The summer months, specifically June and July, show a decrease to 10, categorized as very high, with a burn time of 15 minutes, while August and September hit 11, returning to the extreme exposure category with 10 minutes of burn time. For residents and visitors, it is crucial to stay vigilant and protect skin from UV exposure, especially during these high-risk months of January through March, November, and August to September, by using sunscreen, wearing protective clothing, and seeking shade whenever possible.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Santa Cruz de la Sierra UVI | 15 | 15 | 14 | 13 | 10 | 8 | 9 | 10 | 12 | 15 | 16 | 16 |
| Riberalta | 15 | 15 | 15 | 14 | 12 | 10 | 10 | 11 | 11 | 14 | 16 | 15 |
| Sucre UVI | 17 | 17 | 16 | 14 | 11 | 9 | 10 | 12 | 15 | 17 | 17 | 18 |
| Sacaba UVI | 17 | 18 | 17 | 15 | 12 | 10 | 10 | 13 | 15 | 17 | 18 | 19 |
| Cochabamba UVI | 18 | 18 | 17 | 15 | 12 | 10 | 11 | 13 | 16 | 18 | 18 | 19 |
| Oruro UVI | 19 | 19 | 17 | 16 | 13 | 10 | 11 | 14 | 16 | 19 | 19 | 19 |