Last updated: May 3, 2025
In Butia Inferior, Brazil, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With its Cfa climate, this region experiences varying sun exposure levels throughout the day, peaking between 11:00 AM and 1:00 PM when the UV Index can reach as high as 6—a strong indicator of the potential for harmful effects. Being aware of these UV levels empowers residents and visitors to take necessary precautions, such as seeking shade and applying sunscreen, ensuring a safer and healthier experience under the sun.
The UV Index throughout the day presents a dynamic interplay of sunlight, peaking at 12:00 PM and 1:00 PM with a robust 6. Early risers will enjoy the gentle warmth with a UV Index of 0 at 7:00 AM, slowly climbing to 1 by 8:00 AM. As the morning progresses, it reaches 3 at 10:00 AM and then escalates to its highest at noon. Afternoon hours see a gradual decline, dipping back to 5 at 2:00 PM before gently dropping to 3 by 3:00 PM. As the sun sets, the index retreats below 1 from 5:00 PM onward, concluding with a soothing 0 at 6:00 PM and remaining steady until dusk. Make sure to stay protected during the peak hours, especially when the sun's rays are at their strongest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 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 |
The seasonal UV changes reveal significant fluctuations, with the highest UV Index levels recorded from January to March, where the index hits an extreme 15, necessitating only 10 minutes for skin to start burning. As spring approaches, April sees a decrease to a very high level of 10, allowing for slightly longer exposure at 15 minutes before burning. The summer months of May to July feature a moderate UV Index ranging from 5 to 6, with burn times extending to 25-30 minutes. However, high-risk months return in August, and from September to November, where UV levels reignite to extreme and very high categories. Notably, October and November pose significant risk again with indices of 13 and 14, respectively, allowing for just 10 minutes before burn. Residents and visitors are advised to take precautions, especially during January through March and October through November, by utilizing protective clothing, sunscreen, and limiting sun exposure during these peak times to avoid skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Butia Inferior | 15 | 14 | 12 | 10 | 6 | 5 | 5 | 7 | 10 | 13 | 14 | 14 |
| 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 |