Last updated: May 3, 2025
Understanding the UV Index in Monte Santo, Brazil, is essential for safeguarding your skin against harmful ultraviolet radiation. With peak UV levels often reaching a maximum of 12 during midday hours, awareness of these fluctuations is crucial for preventing sunburn and promoting long-term skin health. Monte Santo's tropical climate means residents and visitors face considerable UV exposure, especially during the summer months. By staying informed about UV levels, you can enjoy the sun safely and protect your skin from lasting damage.
The UV Index throughout the day presents a striking pattern of intensity. Starting from a mild level of 1 at 07:00, the sun steadily gains strength, peaking at an impressive 12 between 11:00 and 12:00. As the morning progresses, 09:00 and 10:00 also see significant values of 7 and 10, respectively. After midday, the intensity begins to wane, dipping to 10 at 13:00 before gradually decreasing to 3 by 15:00. In the late afternoon and evening, the UV Index falls sharply—registering only 1 at 16:00 and tapering down to 0 from 18:00 onwards. This data highlights the importance of sun protection during peak hours, especially when the UV Index reaches its zenith.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 10 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 10 | 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 |
Monte Santo | 15 | 14 | 15 | 14 | 12 | 10 | 10 | 12 | 13 | 14 | 15 | 14 |