Last updated: May 3, 2025
Understanding the UV Index in Florestopolis, Brazil, is essential for residents and visitors alike, as it plays a crucial role in protecting skin health. With the city’s Cfa climate, characterized by hot summers and a fair amount of sunshine, the risk of harmful UV exposure can be significant. High UV levels—peaking at 8 between 12:00 PM and 1:00 PM—underscore the importance of sunburn prevention. By staying informed about daily UV fluctuations, you can enjoy the beautiful weather while safeguarding your skin against the damaging effects of the sun. Elevate your sun safety knowledge and embrace the vibrant life of Florestopolis responsibly!
At dawn, the UV Index remains low, peaking at 1 by 08:00. As the sun rises higher, a notable increase occurs, reaching 3 at 09:00 and escalating dramatically to a maximum of 8 from 12:00 to 13:00. This midday surge indicates a higher risk for sun exposure, making it essential to take precautions such as wearing sunscreen and protective clothing. The intensity then gradually declines, dropping to 4 by 15:00, and continuing its descent to 0 by 19:00, marking the end of the sun’s peak influence for the day. Stay mindful of these hourly fluctuations to enjoy the sun safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | 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 levels display significant seasonal changes, with extreme UV indices prevalent from January to April and during September to November. The highest risk months for UV exposure are January, February, and December, where the UV Index peaks at 15 and burn times are as short as 10 minutes, necessitating vigilant sun protection. Conversely, the summer months of June and July see a decline in UV levels, categorizing them as high, yet caution is still warranted with burn times extending to 25 minutes. May and August present very high UV exposure, urging individuals to minimize direct sunlight exposure. For residents and visitors, it is crucial to adhere to protective measures such as wearing sunscreen, seeking shade, and avoiding peak sun hours, particularly during these high-risk months to ensure safety and well-being.
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 |
| Florestopolis | 15 | 15 | 13 | 11 | 8 | 6 | 7 | 10 | 11 | 14 | 14 | 16 |
| 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 |