Last updated: May 3, 2025
Understanding the UV Index is crucial for the residents and visitors of Guanambi, Brazil. With its Aw climate, the region experiences significant sun exposure that can lead to serious health issues like sunburn and long-term skin damage. Being aware of the daily UV levels helps individuals take proactive steps to protect their skin, especially during peak hours when the index can soar to 11 around noon. As the sun rises, UV radiation increases, reaching its highest intensity between 10 AM and 2 PM. By staying informed about the UV Index, you can enjoy the beautiful Brazilian sun while prioritizing your skin health and overall well-being.
As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 7:00 AM. By 8:00 AM, it ramps up to 3, signaling the day ahead. The intensity peaks dramatically at 11:00 AM, reaching a striking 10, and then hits its highest point of 11 just an hour later at 12:00 PM. After this zenith, the index gracefully declines, dropping to 9 by 1:00 PM, and gently tapering off to reach 4 by 3:00 PM. The afternoon brings a more comfortable atmosphere with values falling to 1 by 4:00 PM, and finally settling at 0 from 6:00 PM onwards as evening descends. It's a classic day to enjoy sunshine while being mindful of UV exposure!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | 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 |