Last updated: May 3, 2025
In Sao Domingos do Maranhao, Brazil, understanding the UV Index is essential for protecting your skin from harmful ultraviolet rays. With the region's tropical climate characterized by high sun exposure, awareness of UV levels can help you prevent painful sunburn and long-term skin damage. Typically reaching a maximum UV Index of 13 during midday hours, the risks of overexposure are significant, making it crucial to stay informed and take protective measures when the sun is at its peak. By staying vigilant and adapting your outdoor plans according to the UV Index, you can enjoy the beautiful Brazilian sun while prioritizing your skin health.
The UV Index data reveals a clear peak of sun intensity throughout the day. At 12:00 PM, the UV Index reaches its maximum level of 13, indicating the highest risk of harm from unprotected sun exposure. The morning starts off mild, with a UV Index of 1 at 07:00 and gradually escalates to 6 by 09:00, making it essential to wear sunscreen. As the clock strikes 11:00 AM, the intensity hits 12, urging everyone to seek shade. The afternoon sees a decline, dipping to 5 at 15:00 and falling further to 1 by 17:00, before gently fading into the evening with no UV risk from 18:00 onward. Plan outdoor activities wisely, especially between 10:00 AM and 2:00 PM, to ensure safety under the sun!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 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, UV Index readings remain notably high, with extreme levels recorded from January to April, consistently at 15, and only slightly decreasing in May and June, where it reaches 13 and 11, respectively. The summer months of July and August maintain high levels at 11 and 12, before increasing again in September and October. Notably, November and December also show high UV values of 14. This data indicates that the highest risk months for UV exposure are from January to April, where the UV Index remains at its peak. Therefore, it is crucial for visitors and residents alike to take precautions, such as wearing sunscreen, protective clothing, and sunglasses, as well as seeking shade during peak sun hours, to minimize the risk of skin damage year-round.
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 |
| Sao Domingos do Maranhao | 15 | 15 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 14 | 14 |