Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Ituiutaba, Brazil, where the tropical climate brings strong sun exposure year-round. High UV levels, particularly during midday, pose significant risks of sunburn and skin damage, emphasizing the importance of protecting your skin with appropriate measures. With typical UV readings peaking at 9 around noon, it’s vital to stay informed about daily UV levels to ensure your sun safety and long-term skin health. Awareness of these factors can help you enjoy the beautiful outdoors while minimizing the risk of harmful effects from excessive ultraviolet radiation.
As the day unfolds, the UV Index rises sharply, peaking at 9 around 12:00 PM, indicating a time when sun protection is essential. Early morning hours reflect a milder exposure, with values only reaching 1 by 8:00 AM. By 11:00 AM, the index escalates to 7, making the midday sun particularly intense. After this peak, the index begins to gradually decline, dipping to 4 by 3:00 PM and further dropping to 1 by late afternoon. Finally, by 6:00 PM, the UV Index falls to zero, marking the end of a day where awareness of sun safety is crucial during those high-risk hours. Stay informed and protect your skin wisely!
| 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 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal variations, peaking during the first few months and again in late fall. The highest UV Index readings occur from January to March and November to December, categorizing these months as extreme risk, with a rapid burn time of only 10 minutes. February records the highest level at 16, followed closely by December. April sees a slight reduction to a still extreme level of 12. As we transition into late spring and summer, the index decreases slightly, with May and June listed as very high (UV Index 9 to 8) and a burn time extending to 15 minutes. August and September spike again to 12 and 11 with a return to extreme risk. It is crucial for both visitors and residents to take protective measures against UV exposure, particularly during high-risk months when the index is categorized as extreme or very high. Regular use of sunscreen, wearing protective clothing, and seeking shade during peak sun hours are essential to minimize the risk of sunburn and long-term skin damage.
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 |
| Ituiutaba | 15 | 16 | 14 | 12 | 9 | 8 | 9 | 11 | 12 | 14 | 15 | 16 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |