Last updated: July 2, 2025
Understanding the UV Index is essential for residents and visitors in Euclides da Cunha, Brazil, where sun exposure can significantly impact skin health. With a climate characterized by warm temperatures and high UV levels, particularly between 10 AM and 1 PM, knowing the UV Index can aid in preventing sunburn and reducing the risk of long-term skin damage. On sunny days, values can peak at 10, indicating a very high risk for harm from unprotected sun exposure. By staying informed about daily UV levels, you can enjoy the outdoors while prioritizing your skin's health and well-being.
The UV Index today began its ascent at a mild level of 1 at 7:00 AM, but soon picked up momentum. By 10:00 AM, it soared to 8, peaking at a significant 10 from 11:00 AM to 12:00 PM, signaling a time for sun protection. As the afternoon rolled in, the intensity started to wane, dropping to 9 at 1:00 PM and then descending to 6 by 2:00 PM. The sun's rays softened further, concluding the day with a gentle 3 at 3:00 PM and returning to a low 1 by 5:00 PM. Finally, the UV Index waned to 0 by 6:00 PM, marking the end of a day defined by fluctuating sunshine intensity.
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 | 10 | very high | 15 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 exhibits significant seasonal variation, with high-risk months spanning from January to November, where the index often reaches extreme levels of 14 to 15, resulting in a dangerously short burn time of just 10 minutes. Even in June and July, with a slightly lower index of 10, the exposure category remains very high, allowing only 15 minutes before risk escalates. Visitors and residents are strongly advised to exercise caution during these months by wearing protective clothing, applying high-SPF sunscreen, and seeking shade whenever possible, especially during peak sun hours. Maintaining awareness of the UV index is crucial in safeguarding skin health throughout the year.
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 |
Euclides da Cunha | 15 | 14 | 15 | 14 | 12 | 10 | 10 | 12 | 13 | 14 | 15 | 14 |