Last updated: May 3, 2025
Understanding the UV Index in Itaguacu, Brazil is crucial for safeguarding your skin and overall health. With the region's Aw climate, the sun can be relentless, leading to varying UV levels throughout the day. The UV Index ranges from a low of 1 in the early morning to a peak of 9 around noon, indicating a high risk for sunburn and skin damage if exposed without protection. Being aware of these levels empowers residents and visitors alike to take necessary precautions, ensuring a safer and more enjoyable experience under Brazil's vibrant sun.
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 |
The UV Index experiences significant fluctuations throughout the year, with the highest levels recorded between January and April, where the index consistently reaches a severe 15 and falls into the "extreme" exposure category, demanding caution for outdoor activities as minimal sun exposure can result in burns in just 10 minutes. As the year progresses into May and June, the index reduces to 9 and 7, respectively, transitioning to "very high" and "high" levels, which still require mindful sun protection with burn times extending to 15 and 25 minutes. However, the risk escalates again in the months of September and October with indices of 12 and 13, reverting to an "extreme" exposure category. Throughout the winter months, November and December also maintain a hazardous UV Index of 15. Given these conditions, it is advised that both visitors and residents practice diligent sun safety measures—applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak hours, especially from January to April and September to December to minimize the risk of sun-related health issues.
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 |
| Itaguacu | 15 | 15 | 14 | 12 | 9 | 7 | 8 | 10 | 12 | 13 | 15 | 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 |