Last updated: July 2, 2025
Understanding the UV Index in Tarija, Bolivia, is crucial for maintaining skin health and preventing sunburn. As a highland region characterized by its Cwb climate, Tarija experiences significant UV exposure, especially during midday when levels can soar to 9—indicating a very high risk of harm from unprotected sun exposure. Awareness of UV levels empowers residents and visitors alike to make informed choices about sun protection, whether it’s seeking shade, wearing protective clothing, or applying sunscreen. By staying informed, you can enjoy the beautiful outdoors while safeguarding your skin against potential damage.
The hourly UV Index displays an intriguing pattern throughout the day. **Starting from a gentle 1 at 7:00 AM, the intensity begins to rise steadily. By 10:00 AM, it escalates to a more significant 5, reaching its peak of 9 between 12:00 PM and 1:00 PM—a time when sun protection is crucial. As the afternoon progresses, the index dips, dropping to 4 at 3:00 PM and further decreasing to 1 by 5:00 PM. Finally, it settles at 0 after 6:00 PM, indicating a comfortable evening for outdoor activities. Stay vigilant! Understanding these UV levels can help you enjoy the sun safely.
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 | 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 |
The UV Index shows significant seasonal variation with extreme levels persisting from January to April, peaking in December at 18. High-risk months are predominantly from January through April and again in November and December, where the burn time is a mere 10 minutes. Even in the very high category (May to July), a burn time of 15 minutes necessitates caution. Visitors and residents should take precautions throughout the year, especially during these high-risk months, by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sun hours to minimize UV exposure and potential 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 |
Tarija | 17 | 17 | 16 | 13 | 10 | 8 | 9 | 11 | 14 | 16 | 17 | 18 |
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 |