Last updated: July 2, 2025
In Santa Terezinha, Brazil, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps you take the necessary precautions to prevent sunburn and reduce long-term skin damage, especially given the region's tropical climate where UV exposure can spike dramatically. With peak UV Index values soaring to 10 around midday, residents and visitors must be vigilant, ensuring they leverage proper sun protection strategies during the highest-risk hours. Enjoying the beautiful sun should always come with a commitment to skin safety!
As the sun rises, the UV Index remains low at 1 from 07:00 to 09:00, ideal for early morning outdoor activities. However, as the clock strikes 10:00, it escalates dramatically to 6, urging caution for midday sun exposure. The peak intensity occurs between 12:00 and 13:00, where the UV Index soars to its maximum at 10, signaling a high risk for harm from unprotected sun exposure. As the afternoon unfolds, the index gradually declines, dropping to 8 at 14:00 and tapering down to 5 by 15:00. Finally, by 17:00, it dips back to 1, and by 19:00, it settles at 0, signaling the safe return of evening shadows. Be mindful of sun safety during those critical hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 6 | high | 25 min |
11:00 | 9 | very high | 15 min |
12:00 | 10 | very high | 15 min |
13:00 | 10 | very high | 15 min |
14:00 | 8 | very high | 15 min |
15:00 | 5 | moderate | 30 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal changes, remaining alarmingly high throughout the year. From January to April, the UV Index is consistently at 15, categorized as extreme, with a burn time of just 10 minutes. In May and August, it reduces slightly to 12 and 11, still marked as extreme. June and July see a minor decrease to 10, categorized as very high, allowing for a slightly longer burn time of 15 minutes. However, as autumn approaches, the UV Index creeps back up to 14 in October and remains at 15 in November and December, suggesting high-risk months continue throughout the year. Residents and visitors should exercise extreme caution during these periods by seeking shade, wearing protective clothing, and applying sunscreen frequently to prevent skin damage.
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 |
Santa Terezinha | 15 | 15 | 15 | 13 | 12 | 10 | 10 | 11 | 12 | 14 | 15 | 15 |
Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |