Last updated: May 3, 2025
Understanding the UV Index is essential for residents and visitors in Cacimba de Dentro, Brazil, a region with a tropical climate that often sees high levels of ultraviolet radiation. Knowing the UV levels can help you protect your skin health and prevent sunburn, especially during the peak midday hours when the index reaches a maximum of 12. With this awareness, you can enjoy outdoor activities safely while minimizing the risks associated with sun exposure. Remember, from 8 AM to 10 AM, the UV intensity rises quickly, peaking at 11 AM and 12 PM, making it crucial to take precautions during these hours. Stay informed, stay protected, and embrace the beautiful sunshine of Cacimba de Dentro responsibly!
As the sun rises, the UV Index begins its ascent, starting at a mild 2 at 7:00 AM. By 8:00 AM, it reaches a moderate 5, signaling the need for some sun protection. The intensity peaks dramatically around 11:00 AM and 12:00 PM, hitting a striking 12, indicating high risk of harm from unprotected sun exposure. As the afternoon rolls in, the index gradually declines, dropping to 9 by 1:00 PM and 6 at 2:00 PM. By the late afternoon, the index continues to decline steeply, falling to 3 at 3:00 PM and further to 1 by 4:00 PM and 5:00 PM. As twilight approaches, the UV Index finally settles at 0 by 6:00 PM, marking the end of a sun-filled day. Remember: during those peak hours, stay protected!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 8 | very high | 15 min |
| 10:00 | 11 | extreme | 10 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index throughout the year displays extreme levels, particularly from January through November, with values consistently between 12 and 15, indicating a high risk of harm from unprotected sun exposure. Notably, the highest UV Index occurs in March at 15, closely followed by February and April at 14. Visitors and residents should take special care during these high-risk months and consistently throughout the year, ensuring they wear appropriate sun protection, including sunscreen, hats, and UV-protective clothing. With a burn time of only 10 minutes, it is crucial to limit sun exposure, especially during midday when UV radiation is at its peak.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rio de Janeiro UVI | 15 | 14 | 13 | 10 | 7 | 6 | 7 | 9 | 11 | 12 | 13 | 15 |
| Sao Paulo UVI | 16 | 15 | 12 | 11 | 8 | 6 | 7 | 9 | 11 | 13 | 14 | 15 |
| Belo Horizonte UVI | 17 | 16 | 14 | 12 | 9 | 7 | 8 | 10 | 12 | 13 | 14 | 16 |
| Salvador UVI | 14 | 14 | 14 | 13 | 10 | 9 | 9 | 12 | 12 | 15 | 15 | 14 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |
| Cacimba de Dentro | 14 | 14 | 15 | 14 | 12 | 11 | 11 | 12 | 13 | 13 | 14 | 14 |