Last updated: June 2, 2025
In Santa Maria da Vitória, Brazil, understanding the UV Index is crucial for maintaining skin health and preventing painful sunburns. With a climate characterized by strong sunlight, especially around midday, residents and visitors must be aware of fluctuating UV levels to protect themselves effectively. The UV Index can peak at 9 between 11:00 AM and 1:00 PM, underscoring the importance of taking precautions during these hours. By staying informed about UV exposure risks, you can enjoy the beautiful Brazilian sun safely and make the most of your time in this vibrant locale.
As the sun rises, the UV Index starts low at 1 at 07:00 and gradually climbs, peaking at 9 by 11:00 and 12:00. This signifies a critical time to protect your skin, especially during the midday hours when UV exposure is highest. By 13:00, the index slightly dips to 8, but remains significant as it continues to decline in the afternoon, dropping to 6 at 14:00 and then tapering off to 3 by 15:00. As the sun begins to set, the UV Index further decreases, registering 2 at 16:00 and returning to a safe 1 by 17:00, before finally leveling out to 0 after 18:00. Plan your outdoor activities accordingly to enjoy the sun while staying safe!
| 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 | 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, the UV Index varies significantly, with January and December experiencing the highest levels at 16, categorized as extreme, leading to a very short burn time of just 10 minutes. February through April also remain in the extreme category, with UV levels at 15 or 13. As the year progresses into May, the index drops to 11, but still presents an extreme risk. The summer months, particularly June and July, see a slight decrease to 9 and 10, categorized as very high, allowing for a marginally longer burn time of 15 minutes. However, August returns to an extreme level at 12, followed by September and October with indexes of 13 and 14, respectively. November once again reaches a UV Index of 15, maintaining the extreme risk through the end of the year. Given these variations, it is crucial for visitors and residents to adopt protective measures, especially during high-risk months from January to May and August to November, by using sunscreen, wearing protective clothing, and seeking shade during peak sun hours.
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 |
| Santa Maria da Vitoria | 16 | 15 | 15 | 13 | 11 | 9 | 10 | 12 | 13 | 14 | 15 | 16 |