Last updated: June 2, 2025
Understanding the UV Index in Itaguacu, Brazil is essential for safeguarding your skin and overall health. With the region's tropical climate, residents and visitors alike face elevated UV exposure, especially during peak hours when the index can reach a maximum of 7 around midday. This highlights the importance of staying informed about UV levels to effectively prevent sunburn and protect against long-term skin damage. By being aware of the daily UV fluctuations—from a moderate level of 4 by mid-morning to an intense 7 at noon—you can enjoy the beautiful outdoor life in Itaguacu while keeping your skin safe.
As the day unfolds, the UV Index reaches its peak during the late morning and early afternoon hours. Starting at a mild 1 at 7 AM, the index gradually climbs to a more noticeable 7 by 11 AM, signaling a time when sun protection becomes essential. It holds steady at 7 until noon, then begins to decline, dipping to 4 by 2 PM, and further falling to 1 by 4 PM. By evening, the UV Index drops to 0, indicating a safe time to enjoy the outdoors without the worry of harmful UV exposure. Remember, during the peak hours from 10 AM to 2 PM, it's crucial to wear sunscreen and protective clothing to safeguard your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 7 | 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 |
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 |