Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Ribeirão das Neves, Brazil, where the sun's intensity can pose serious risks to skin health. With a climate categorized as Cwa, the region experiences varying UV levels throughout the day, peaking at 7 between 11:00 AM and 1:00 PM. Awareness of these UV levels is vital for preventing sunburn and protecting your skin from long-term damage. Whether you’re enjoying outdoor activities or just soaking in the sun, recognizing the risks during high UV exposure times can help ensure you stay safe and healthy under the Brazilian sun.
The UV Index today began its ascent at 7:00 AM with a modest 1, slowly climbing to 2 by 8:00 AM. As the sun rose higher, the index reached 3 at 9:00 AM, then jumped to 5 by 10:00 AM. The peak was recorded at 11:00 AM and 12:00 PM, both hitting a notable 7. By 1:00 PM, the UV Index slightly dipped to 6, followed by a gradual decline to 5 by 2:00 PM. This downward trend continued as it fell to 3 at 3:00 PM and further decreased to 1 by 4:00 PM. The day wrapped up with very low readings of 1 at 5:00 PM, and dropping to 0 by 6:00 PM, indicating a safe evening with minimal UV exposure. Make the most of the sun wisely! ☀️
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 6 | 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 seasonal UV index in our region shows significant variations throughout the year, with extreme levels dominating from January through April, where the UV index reaches a peak of 17 in January. The high-risk months for UV exposure are January through April and again in September to November, where the UV index remains at 10 or higher, indicating an exposure category classified as extreme. Visitors and residents are strongly advised to take precautions during these periods, such as wearing sunscreen, protective clothing, and seeking shade to minimize the risk of sunburn, especially when outdoor activities are planned. In the summer months of June to August, while the UV index decreases to 7 to 10, it is still categorized as high to very high, and individuals should remain vigilant.
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 |
| Ribeirao das Neves | 17 | 16 | 14 | 12 | 9 | 7 | 8 | 10 | 12 | 14 | 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 |