Last updated: August 1, 2025
Understanding the UV Index in Potosi, Bolivia, is essential for maintaining skin health and preventing sunburn, especially given the city’s high altitude and unique climate (BSk). With UV levels peaking at 10 between noon and 1 PM, residents and visitors must stay vigilant about sun exposure during these hours. Awareness of these UV levels not only helps in protecting against immediate skin damage but also reduces risks of long-term health issues. In a region where sunlight is abundant, being informed about the UV Index can empower you to enjoy outdoor activities safely while safeguarding your skin.
The UV Index today reveals a dramatic rise as the sun climbs higher in the sky. Starting at a mild 1 at 07:00, it gradually escalates to a significant peak of 10 by noon and early afternoon. The most intense exposure occurs between 12:00 and 13:00, making this the ideal time for sun protection. As the day progresses, the index starts to decline, dropping to 5 by 15:00 and further down to a calm 0 by 18:00, signaling a safe evening ahead. Remember to stay cautious during the peak hours, especially between 10:00 and 14:00, when UV radiation is at its strongest!
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 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 10 | 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, the UV Index demonstrates significant seasonal variations, with the highest values typically occurring in the winter and fall months. From November to January, the UV Index remains alarmingly high, ranging from 18 to 20 and categorized as extreme, which means a burn time of just 10 minutes. February to April also sees elevated levels, maintaining an extreme exposure category, while May slightly decreases to 12 but still remains in the extreme range with a burn time of 10 minutes. As summer arrives in June and July, the UV Index drops to 9 and 10 respectively, categorized as very high, allowing for a marginally longer burn time of 15 minutes. However, it escalates again in August and returns to extreme levels during September and October, demanding attention as well. Given these high-risk months, it is advisable for visitors and residents alike to take protective measures year-round, particularly during November, December, January, and February, where exposure can be most harmful. Remember to wear sunscreen, protective clothing, and sunglasses, and seek shade whenever possible to mitigate skin damage from these dangerous UV levels.
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 |
Potosi | 18 | 18 | 17 | 15 | 12 | 9 | 10 | 13 | 16 | 18 | 19 | 20 |
Oruro UVI | 19 | 19 | 17 | 16 | 13 | 10 | 11 | 14 | 16 | 19 | 19 | 19 |