Last updated: July 2, 2025
In San Pedro, Bolivia, awareness of the UV Index is crucial for protecting your skin and overall health. Understanding the levels of ultraviolet radiation is essential not just for avoiding painful sunburns, but also for reducing long-term skin damage. With a Cwb climate, San Pedro experiences significant UV exposure, especially during peak hours when the index can soar to a hazardous 12. Whether you’re exploring the beautiful landscapes or going about your daily activities, keeping track of UV levels can help you enjoy the sun safely and maintain healthy skin.
The UV Index throughout the day displays a dramatic shift, peaking around midday. At 07:00 and 08:00, the index remains low at a safe 1, but as the sun climbs higher, the numbers surge. By 09:00, it escalates to 3, and by 10:00, it reaches 6. The real intensity kicks in at 11:00, where it hits 9, soaring to a maximum of 11 at 12:00—a level that demands cautious sun exposure. The highest reading of 12 occurs at 13:00, before gracefully tapering off to 10 at 14:00, and declining further to 7 by 15:00. As the afternoon fades, the UV Index drops ominously low again, settling at 3 by 16:00 and trailing off to a minimal 1 by 18:00 and 0 by 19:00. This data highlights the critical need for sun protection during those peak hours to safeguard against harmful UV rays.
| 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 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | 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 data indicates significant seasonal variations in UV exposure, with the highest UV Index ratings occurring from January through April, peaking at 19 in February and November. These months are categorized as extreme risk, with a burn time of just 10 minutes. As spring transitions into summer, the UV Index gradually decreases, reaching a low of 10 in June, classified as very high, allowing for a slightly longer burn time of 15 minutes. However, the danger remains elevated, as July, August, September, and October all return to extreme levels. For both residents and visitors, it is crucial to stay informed about the UV Index, especially during high-risk months from January to April and November, and to take necessary precautions including sunscreen and protective clothing to minimize skin damage.
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 |
| 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 |
| San Pedro | 18 | 19 | 17 | 16 | 13 | 10 | 12 | 14 | 16 | 18 | 19 | 18 |
| Oruro UVI | 19 | 19 | 17 | 16 | 13 | 10 | 11 | 14 | 16 | 19 | 19 | 19 |