Last updated: May 3, 2025
Understanding the UV Index in Riberalta, Bolivia is essential for safeguarding skin health and preventing sunburn. With its tropical Aw climate, residents and visitors are exposed to heightened UV levels, especially during midday peaks where the index can soar to 12. This makes awareness of UV risks crucial for enjoying the sun safely. By keeping an eye on the UV Index, you can better protect your skin from the harmful effects of UV radiation and enjoy all that Riberalta has to offer without compromising your health.
The UV Index tomorrow will experience a sharp ascent, beginning with a modest 1 at 07:00. As the sun rises higher, expect a steady increase, peaking at an intense 12 by noon. This midday high presents a strong risk of harm from unprotected sun exposure, with careful precautions recommended. The afternoon sees the index gradually descend, dropping to 6 by 15:00 and down to 1 by 17:00, signaling a cooling off as the day winds down. As evening approaches, the UV levels dip to 0 after sunset, making for a safe time to enjoy the outdoors without worry. Remember to protect your skin during peak hours, especially between 10:00 and 14:00!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 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 |