Last updated: June 2, 2025
In Santa Ana de Yacuma, Bolivia, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn, particularly given the region's Aw climate, characterized by prolonged sunny days. As UV levels peak significantly during midday hours, understanding these fluctuations can help residents and visitors alike take necessary precautions, such as wearing protective clothing and using sunscreen to mitigate the risk of overexposure. With a maximum UV Index of 9 at noon, Santa Ana de Yacuma presents a notable risk for skin damage, making it essential to stay informed about daily UV levels to enjoy the vibrant outdoor activities the area offers while keeping skin safe.
As the sun rises, the UV Index starts off low at a comfortable 1 from 7:00 AM to 8:00 AM. By 9:00 AM, it jumps to 3, signaling a gradual increase in sun exposure. The intensity peaks around 12:00 PM, reaching an impressive 9, making midday the most critical time for sun safety. As the afternoon unfolds, the index slowly declines; it drops to 7 by 2:00 PM, then further decreases to 4 at 3:00 PM. The later hours offer a gentle reprieve, with values falling to 1 by 5:00 PM and ultimately 0 by 6:00 PM. Remember, during those peak hours, it’s essential to protect your skin!
| 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 | 9 | very high | 15 min |
| 13:00 | 9 | 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 levels fluctuate significantly, with extreme exposure present from January to April and in October and November, where the UV Index consistently reaches 15. May transitions to a very high risk at 11, while June and July drop slightly to a very high index of 9. As summer wanes, August and September again see levels at 11, marking them as high-risk months. Visitors and residents should take precautions during these months, particularly when UV Index levels are extreme, by seeking shade, wearing protective clothing, and applying sunscreen diligently, especially during peak sun hours. Remember, burn times are rapid—ranging from 10 to 15 minutes—so staying vigilant is essential for skin protection year-round.
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 |
| Santa Ana de Yacuma | 15 | 15 | 15 | 14 | 11 | 9 | 9 | 11 | 11 | 15 | 15 | 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 |