Last updated: May 3, 2025
Understanding the UV Index in Cacule, Brazil is essential for maintaining your skin health and preventing sunburn, especially in a region characterized by its tropical Aw climate. As the sun rises and the day progresses, the UV levels fluctuate dramatically, peaking at 11 between noon and 1 PM, which presents significant risks for skin damage. Awareness of these UV levels empowers you to make informed choices about sun protection, whether it's seeking shade, wearing protective clothing, or applying sunscreen, ensuring you enjoy the sun safely while minimizing potential harm. Be proactive in safeguarding your skin's health as you embrace the warm, inviting sun of Cacule!
As the sun rises, the UV Index starts at a modest 1 at 7:00 AM, indicating minimal risk for harm from unprotected sun exposure. By 8:00 AM, it climbs to 3, suggesting it's time to consider some shade if you're planning outdoor activities. The UV levels peak dramatically at 11:00 AM, reaching 10, which signifies a very high risk of harm for unprotected skin. The zenith is at 12:00 PM, with a staggering 11 on the scale, indicating that sun safety measures are crucial. As the afternoon progresses, the intensity begins to wane, dropping to 6 by 2:00 PM and to 4 at 3:00 PM, signaling a decline in UV exposure. Later in the day, the index continues its descent to 1 by 4:00 PM, 1 again at 5:00 PM, and eventually falls to 0 by 6:00 PM, ushering in safer evening conditions. Remember, peak UV times are best approached with caution and protection!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | 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 shows significant seasonal variation, with extremely high levels persisting from January to April and then again in August and October. High-risk months include January, February, March, November, and December, each registering a UV Index of 15, indicating an extreme exposure category with a burn time of just 10 minutes. Visitors and residents should take caution during these months by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly. Additionally, even during the slightly lower UV Index months of June and July, with levels of 9 and 10 respectively, it remains essential to stay vigilant about sun protection due to the very high exposure category.
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 |
| Cacule | 15 | 15 | 15 | 13 | 11 | 9 | 10 | 12 | 13 | 14 | 15 | 15 |