Last updated: August 1, 2025
Understanding the UV Index in Santa Rosa del Sara, Bolivia is essential for protecting your skin and overall health in this warm, tropical climate. With its Aw climate classification, sunlight can be intense, especially around midday when UV levels peak at a staggering 9. Being aware of UV index readings helps you take proactive measures against sunburn and long-term skin damage, allowing you to enjoy the outdoors without the risk. As you explore this vibrant town, knowing when to seek shade and apply sunscreen can significantly reduce your exposure to harmful rays, safeguarding your skin and enhancing your sun-soaked adventures.
The UV Index experiences a notable rise throughout the morning, starting from a mellow 1 at 07:00 and gradually climbing to its peak at 12:00 with a striking 9. As the day progresses, the intensity begins to wane, dropping to 4 by 15:00 and descending further to 1 by 17:00. By the evening, the UV Index dips into the safety zone, showing 0 by 18:00 and remaining there for the rest of the night. This daily sunlight pattern underscores the importance of protection during peak hours, especially between 11:00 and 13:00 when exposure is at its highest.
| 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 | 9 | 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 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV index levels experience significant seasonal changes, with the highest readings occurring from January to April and often remaining high through October. The months of January, February, and October stand out with a UV index of 15, indicating an extreme risk level and a burn time of just 10 minutes. Visitors and residents should take extra precautions during these months, as well as in early March and April when the UV index remains high at 14 and 13, respectively. The summer months offer slightly lower, yet still concerning, UV levels, with May to August registering between 8 and 10, categorized as very high. September sees a return to extreme levels, with a UV index of 12. To ensure safety during these high-risk months, individuals are advised to wear protective clothing, apply sunscreen regularly, and seek shade during peak sunlight hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Santa Rosa del Sara | 15 | 15 | 14 | 13 | 10 | 8 | 9 | 10 | 12 | 15 | 15 | 16 |
| Santa Cruz de la Sierra UVI | 15 | 15 | 14 | 13 | 10 | 8 | 9 | 10 | 12 | 15 | 16 | 16 |
| 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 |