Last updated: June 2, 2025
Awareness of the UV Index is vital for residents and visitors in Guanambi, Brazil, especially given the region's Aw climate which can lead to increased sun exposure. Understanding UV levels is essential for preventing sunburns and maintaining long-term skin health, as the index can peak at a significant 9 during midday hours. With typical UV exposure risks escalating quickly from morning to afternoon, it's crucial to stay informed about daily UV levels in order to enjoy the sun safely and effectively. Embrace the beauty of Guanambi while prioritizing your skin's protection!
The UV Index throughout the day demonstrates a distinct peak during the midday hours, reaching its maximum of 9 at 11:00 AM and again at 12:00 PM. As the sun rises, the UV Index begins at a mere 1 at 7:00 AM, gradually climbing to 4 by 9:00 AM. However, once the clock strikes 10:00 AM, the intensity escalates sharply to 7 before hitting its zenith. Following this, there is a slight tapering off in the afternoon hours, with values nearing 6 at 2:00 PM and gradually decreasing to 3 by 3:00 PM. As daylight wanes, the UV Index plummets, dropping to 1 by 4:00 PM and finally settling at 0 by 6:00 PM, signaling an end to the sun's powerful rays for the day. This data emphasizes the importance of sun protection, especially during those peak hours between 10:00 AM and 2:00 PM.
| 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 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 6 | high | 25 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 |
During the year, UV Index values exhibit significant variation, particularly peaking in the winter months with extreme levels in January through May. High-risk months for UV exposure include January through April, where the UV Index consistently reaches 15 or higher, indicating extreme risk and a brief burn time of just 10 minutes. May starts a slight decline with an index of 11, but remains high. From June to July, while the index drops slightly to 9 and 10 respectively, caution is still advised as exposure is classified as very high with a burn time of 15 minutes. As summer transitions into fall, August sees a rise back to an extreme level of 12, followed by a return to highs in September and October. To protect yourself from harmful UV rays, it is crucial for both visitors and residents to practice sun safety measures, such as applying sunscreen frequently, wearing protective clothing, and seeking shade especially during peak hours from January to April and throughout the late summer months.
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 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |
| Guanambi | 16 | 15 | 15 | 13 | 11 | 9 | 10 | 12 | 13 | 14 | 15 | 15 |