Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Mata Grande, Brazil, where the sun's powerful rays can pose serious risks to skin health. With the UV Index peaking at a staggering 12 during midday, it becomes essential to be aware of these levels to prevent sunburn and long-term skin damage. The region's tropical climate amplifies exposure, making it vital to take precautions during high UV periods. Embracing this knowledge enables everyone in Mata Grande to enjoy outdoor activities safely while protecting their skin from harmful effects.
The UV Index throughout the day showcases a significant peak from 10:00 AM to 12:00 PM, where it hits a maximum of 12, indicating a very high risk of harm from unprotected sun exposure. Starting off at a mild 2 at 07:00, the index steadily climbs, reaching 7 by 09:00. By 11:00, the sun's intensity reaches its zenith, urging caution for outdoor activities. As afternoon approaches, a noticeable decline occurs, with the UV Index dropping to 3 by 15:00, and further decreasing to 1 by 16:00. The evening settles in with a soothing 0 UV Index from 18:00 onwards, signaling a safe time to enjoy the outdoors without sun protection. Stay mindful of these fluctuations, especially during peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 11 | extreme | 10 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 in our region remains notably high throughout the year, with consistently extreme levels ranging from 11 to 15. January through April and November to December see the highest values, particularly reaching a peak of 15 in November and December. The burn time across all months is alarmingly short, at just 10 minutes, underscoring the severe risk of skin damage year-round. March stands out as particularly intense with a UV Index of 15, while May to July present slightly lower peaks but remain in the extreme category. Visitors and residents are strongly advised to take serious precautions year-round, including wearing sunscreen, protective clothing, and seeking shade to mitigate the risks of prolonged sun exposure, especially during these high-risk months.
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 |
Mata Grande | 14 | 14 | 15 | 14 | 12 | 11 | 11 | 12 | 14 | 14 | 15 | 15 |