Last updated: July 2, 2025
In Itainopolis, Brazil, being aware of the UV Index is essential for protecting your skin from harmful ultraviolet rays. Understanding the daily fluctuations in UV levels can help you prevent sunburn and maintain long-term skin health. With a climate characterized by a BSh classification, Itainopolis experiences significant UV exposure, peaking around midday with an index reaching as high as 11. This makes it crucial for residents and visitors alike to stay informed about UV levels, especially during the sunniest hours, to enjoy the beautiful weather while safeguarding their skin.
The UV Index throughout the day paints a vivid picture of solar intensity, peaking sharply in the late morning. At 07:00, the UV Index starts off modestly at 1, but by 08:00, it climbs to 3, indicating a gradual increase in sunlight. As the day progresses, it reaches 5 at 09:00 and then escalates dramatically to 8 by 10:00. The sun's strength hits its zenith at 11:00 with a striking 10, peaking even further at 12:00, where it soars to 11—an optimal time for sun protection. After this high, the UV Index begins to wane, falling back to 10 at 13:00, before declining steadily to 4 at 15:00, 2 at 16:00, and eventually drifting down to 1 by 17:00. As dusk approaches, the UV Index drops to 0 by 18:00, signaling a safe end to sun exposure for the day. Such daily fluctuations highlight the importance of being mindful of UV levels, especially during midday hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 7 | 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, the UV Index remains consistently high, fluctuating between 11 and 15 during the months of January to November, classifying all months in the extreme exposure category. This indicates a significant risk of harm from unprotected sun exposure, with a rapid burn time of just 10 minutes regardless of the month. Notably, the highest risk months occur from January to April, where the UV Index peaks at 15 in both January and March, along with February and April maintaining values at 14. Residents and visitors are strongly advised to take precautionary measures during these months—wearing protective clothing, applying broad-spectrum sunscreen, and limiting sun exposure, especially during peak hours. As a year-round risk is prevalent, awareness and proactive skin safety measures are critical for all individuals.
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 |
| Itainopolis | 15 | 14 | 15 | 14 | 12 | 11 | 11 | 12 | 13 | 13 | 14 | 14 |