Last updated: July 2, 2025
Understanding the UV Index in Sao Miguel do Guama, Brazil is crucial for safeguarding your skin health and enjoying the vibrant outdoors safely. The UV Index is a valuable tool that indicates the potential for sunburn and long-term skin damage, making it essential for residents and visitors alike. With a tropical climate characterized by high temperatures and strong sun exposure, Sao Miguel do Guama often experiences elevated UV levels, peaking at 11 during midday hours. Being informed about these levels can empower you to take necessary precautions, ensuring you protect yourself while soaking up the sunshine in this beautiful locale.
The UV Index throughout the day offers a clear picture of sun intensity and potential risk for skin exposure. Starting off at a mild level of 1 at 07:00, the index gradually climbs, reaching 2 by 08:00. By 09:00, it jumps to 4, signifying a need for sun protection as it approaches midday. The peak arrives at 11:00 with a striking 10, followed closely by 11 at both 12:00 and 13:00, indicating the highest risk for harmful UV rays. As the afternoon progresses, the UV Index dips, falling to 9 at 14:00 and eventually to a more manageable 5 by 15:00. The evening brings relief, as it decreases further to 3 at 16:00, and to 1 by 17:00. Finally, as the sun sets, the index drops to 0 by 19:00, marking the end of a day defined by varying levels of UV exposure. It's a vivid reminder of the sun's intensity and the importance of appropriate sun safety measures during peak hours!
| 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 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 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 |
The UV Index demonstrates significant seasonal variations, with the highest values occurring from January to April, peaking at 16, indicating an extreme exposure category and a mere 10-minute burn time for unprotected skin. Throughout the year, the high-risk months remain consistent, with the UV Index consistently at 13 or above from January to May and returning to 13 from August to December, signifying continued high risk even in the latter part of the year. Visitors and residents are advised to exercise extreme caution during all months, especially from January to April, by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade to minimize harmful exposure to UV radiation.
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 Miguel do Guama | 14 | 15 | 16 | 16 | 14 | 12 | 11 | 13 | 13 | 13 | 13 | 13 |