Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Santa Helena de Goias, Brazil, where the warm Aw climate can lead to elevated sun exposure. As UV levels soar, especially during midday hours, knowing how to protect your skin becomes essential for preventing sunburn and promoting overall skin health. With UV readings peaking at 9 around noon, it's vital to be vigilant and mindful of your outdoor activities. Embrace the sun safely by staying informed about UV levels and taking necessary precautions to enjoy the beautiful Brazilian weather while keeping your skin protected.
Get ready for a sunny day as the UV Index climbs throughout the morning and peaks in the afternoon! Starting gently at a low level of 1 at 07:00 and 08:00, the intensity begins to rise steadily. By 09:00, it reaches 3, and things heat up significantly by 10:00 with a 5. The real sun-seeker moments hit between 11:00 and 13:00, where the UV Index soars to a maximum of 9, indicating a high risk of harm from unprotected sun exposure. As the day begins to wind down, the index gradually declines, dropping to 7 by 14:00 and falling further to 5 at 15:00. By the time evening arrives, the UV Index retreats to a low level of 1 at 17:00, finally fading to 0 after 18:00. Remember to lather on sunscreen and stay hydrated during those peak hours!
| 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 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | 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 in the region displays notable seasonal variations, with extreme values recorded from January to April and again in late summer and fall. The highest risk months are January (UV Index 15), February (UV Index 16), and December (UV Index 16), where sun exposure should be limited to 10 minutes to avoid severe burns. In contrast, May to July sees a drop to very high levels, allowing for slightly longer exposure times of 15 minutes. As visitors and residents plan their outdoor activities, it is crucial to remain vigilant, particularly during the high-risk months, and to employ protective measures such as wearing sunscreen, hats, and sunglasses, especially during peak sun hours. Always monitor the UV Index and adapt your sun safety practices accordingly!
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 |
| Santa Helena de Goias | 15 | 16 | 14 | 12 | 10 | 8 | 9 | 11 | 12 | 15 | 15 | 16 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |