Last updated: July 2, 2025
Understanding the UV Index in Aragarças, Brazil is crucial for protecting your skin and overall health. This charming town experiences a tropical savanna climate, which means residents and visitors alike are regularly exposed to varying levels of ultraviolet radiation throughout the day. Knowing the UV levels is essential, particularly during peak hours, as it helps you take proactive steps against sunburn and long-term skin damage. With UV Index values peaking at 9 around noon, being informed can mean the difference between a sun-soaked day and a painful burn. Stay aware, stay protected!
The UV Index reflects a dynamic day of sun exposure, starting off gently with a maximum of 1 at 7:00 AM and 8:00 AM. As the sun climbs higher, the intensity builds, peaking at a formidable 9 from 12:00 PM to 1:00 PM, signaling a prime time for sun safety awareness. By 11:00 AM, it reaches 8, emphasizing the importance of protective measures. The intensity then gently wanes, dropping to 7 by 2:00 PM, before declining to 5 at 3:00 PM, and further dimming to 3 by 4:00 PM. As the day winds down, the UV Index diminishes significantly, returning to 1 at 5:00 PM and 6:00 PM, and finally tapering off to 0 by 7:00 PM. This chart highlights the importance of staying vigilant under the sun, particularly during those midday hours when UV exposure is at its peak.
| 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 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | 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 |
| Aragarcas | 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 |