Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Aquidauana, Brazil, especially given its tropical climate. With varying UV levels throughout the day, awareness can play a pivotal role in preventing sunburn and maintaining skin health. During peak hours, particularly between 10 AM and 2 PM, the UV Index can reach dangerous levels, highlighting the importance of protective measures. In Aquidauana, where sunny days are the norm, staying informed about UV exposure risks ensures you can enjoy the outdoors while safeguarding your skin.
As the sun climbs higher in the sky, the UV Index reaches its peak during midday, showcasing a striking pattern in the hourly data. Starting at a modest 1 by 07:00, it gradually escalates, hitting 2 by 08:00. The intensity continues to rise, peaking at a formidable 9 by both 11:00 and 12:00—a clear invitation to slather on the sunscreen! As the afternoon progresses, the index begins to decline, dropping to 7 at 13:00, and gently tapering off to 3 by 15:00. By late afternoon and into the evening, the UV threat recedes, plummeting to 1 at 16:00, and finally fading into 0 from 18:00 onward. This hourly journey underscores the importance of sun safety at its zenith!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 5 | moderate | 30 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 |
Throughout the year, UV Index levels fluctuate significantly, with January through April consistently marked by extreme exposure, peaking at an index of 15 and a rapid burn time of just 10 minutes. The intensity slightly decreases in May, classified as very high with a UV Index of 9, where skin can begin to burn after 15 minutes of exposure. In the summer months of June and July, the UV Index remains elevated at 7 and 8, respectively, allowing for longer exposure times but still classified as high to very high. As we transition into fall, the UV index experiences a brief increase again in September and October, returning to the extreme category with burn times of 10 minutes. This pattern resurfaces into the colder months with November and December showing a concerning UV Index of 14 and 16, urging vigilance. Visitors and residents should remain mindful of sun protection measures, especially during peak months when UV radiation poses a significant risk. Regular application of sunscreen, wearing protective clothing, and seeking shade are essential, particularly from January to April and for brief periods in September, October, and December.
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 |
| Aquidauana | 15 | 15 | 13 | 12 | 9 | 7 | 8 | 10 | 11 | 14 | 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 |