Last updated: June 2, 2025
In Aparecida, Brazil, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With a temperate climate typical of the Cfb zone, residents and visitors must be aware of varying UV levels throughout the day. During peak hours, particularly between 10:00 AM and 2:00 PM, the UV Index can reach as high as 6, indicating significant potential for skin damage. By staying informed about these daily UV fluctuations, you can take proactive measures to protect yourself and enjoy the beautiful Brazilian sun safely.
The UV Index in this hourly snapshot reveals a dynamic pattern throughout the day. Early morning sees low levels, with a maximum of 1 at 7:00 AM and 8:00 AM, indicating minimal risk for skin damage. As the sun rises higher, the index climbs sharply, peaking at 6 between 11:00 AM and 1:00 PM, where caution is advised due to an increased risk of harm from unprotected sun exposure. By mid-afternoon, the index starts to drop, falling to 4 at 2:00 PM, and then further declines towards evening, with readings of 2 at 3:00 PM and returning to 1 by 4:00 PM. The day concludes with a relief as the index reaches 0 by 6:00 PM, signaling a safe time to be outdoors without sun protection. This data serves as a reminder to stay vigilant during peak hours to protect your skin!
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 | 5 | moderate | 30 min |
11:00 | 6 | high | 25 min |
12:00 | 6 | high | 25 min |
13:00 | 6 | high | 25 min |
14:00 | 4 | moderate | 30 min |
15:00 | 2 | low | 45 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 |
During the year, the UV Index exhibits significant fluctuations, with the highest risk months occurring from January to April and again in September to November, consistently classified as having an extreme exposure category. In these months, the burn time is a mere 10 minutes, indicating the need for vigilant sun protection. Notably, May to August sees slightly lower UV levels, moving into the very high category, with burn times extending to 15-25 minutes. To ensure safety, both visitors and residents should prioritize wearing sunscreen, protective clothing, and seeking shade during peak sun hours, especially in the high-risk months, to minimize the risk of UV-related harm.
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 |
Aparecida | 16 | 16 | 13 | 11 | 8 | 6 | 8 | 10 | 12 | 13 | 14 | 16 |
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 |