Last updated: June 2, 2025
Understanding the UV Index in Cavalcante, Brazil, is crucial for safeguarding your skin health and preventing sunburn. The UV levels in this vibrant region can reach a maximum of 9, particularly during midday, indicating a high risk of harm from unprotected sun exposure. With Cavalcante's tropical climate, residents and visitors alike should be vigilant about UV exposure, especially during the peak hours of 10 AM to 2 PM. By staying informed about the UV Index, you can take essential precautions to enjoy the beautiful outdoor activities this area has to offer, while also protecting your skin from potential damage.
The UV Index throughout the day showcases a sharp rise and fall, highlighting the sun's intensity. At 07:00, it starts gentle at 1, but by 09:00, it climbs to 4, signaling a need for some sun protection. The real peak occurs between 11:00 and 13:00, reaching a noteworthy 9—a time when sun safety is crucial. As the afternoon progresses, the index begins to drop to 7 by 14:00, before tapering off to 4 at 15:00. By 16:00, it further declines to 2, and the sun's impact wanes as evening approaches, hitting 1 at 17:00. By 18:00 and 19:00, it settles at 0, marking the end of the solar intensity for the day. Stay informed and protect your skin when the sun 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 | 6 | high | 25 min |
| 11:00 | 9 | 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 |
Throughout the year, UV index readings reflect a significant seasonal variation, with extreme levels persisting from January to April and peaking at 17 in January. May marks a slight decrease to 11, transitioning to a very high UV level in June and July (9 and 10, respectively). Notably, the UV index again escalates to extreme levels from August through October, with values reaching 15 in October and November. The highest risk months for sun exposure are from January to April and August to October, where the burn time is notably low—just 10 minutes—underlining the importance for visitors and residents alike to take precautionary measures during these months. It is strongly advised to seek shade, wear protective clothing, and apply sunscreen regularly, especially during peak sunlight hours.
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 |
| Cavalcante | 17 | 15 | 15 | 14 | 11 | 9 | 10 | 12 | 13 | 15 | 15 | 16 |