Last updated: July 2, 2025
Understanding the UV Index in Mapiri, Bolivia is crucial for residents and visitors alike. With its tropical climate, Mapiri experiences intense sun exposure that can significantly impact skin health and increase the risk of sunburn. By keeping a close eye on UV levels, especially during peak hours when the index can reach a maximum of 10, you can take proactive steps to protect your skin. As the sun climbs in the sky from morning until afternoon, awareness of these fluctuations becomes paramount for enjoying the outdoors safely, safeguarding your skin while making the most of Mapiri's vibrant environment.
The UV Index for the day showcases a dramatic rise in sun intensity, peaking at 10 between noon and 1 PM. Early hours start off mild, with readings of 1 at 7 AM and 8 AM, which is perfect for morning strolls. As the clock ticks, the index climbs steadily; 3 by 9 AM and 5 by 10 AM signaling the sun’s strength is on the rise. The real heat kicks in at 11 AM, reaching 8, and then hitting its maximum of 10 during the critical midday hours. As the sun starts to wane post-1 PM, the index gradually drops, settling back down to 3 by 4 PM and returning to a cool 1 by 7 PM, making later hours a safer time to enjoy outdoor activities. Remember to stay protected during those peak hours!
| 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 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 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 |
Throughout the year, UV levels exhibit notable seasonal variations, with January through April showcasing an extreme exposure category and a consistently high UV Index ranging from 15 to 17. The burn time during these months is alarmingly short at just 10 minutes, underscoring the importance of sun protection. In contrast, May sees a slight decrease to a UV Index of 12, transitioning to very high in June and July with a burn time of 15 minutes. The intensity increases again in August and September, returning to an extreme category with a UV Index peaking at 17 in November and December. Visitors and residents should remain vigilant, especially during the high-risk months from January to April and November to December, ensuring they take preventive measures like wearing sunscreen, protective clothing, and seeking shade to mitigate the risks associated with such high UV exposure.
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 |
| Mapiri | 16 | 17 | 16 | 15 | 12 | 10 | 10 | 11 | 14 | 16 | 17 | 17 |
| 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 |