Last updated: June 2, 2025
In Uaua, Brazil, staying informed about the UV Index is essential for protecting your skin and maintaining overall health. As the sun's rays can be particularly potent, especially during peak hours, understanding UV levels can help prevent painful sunburns and long-term skin damage. With a BSh climate characterized by hot temperatures and intense sun exposure, residents and visitors alike should be vigilant about sun safety. During the day, UV Index values soar, peaking at 10 between 11:00 AM and 12:00 PM, signaling an urgent need for protective measures against harmful ultraviolet rays. Prioritizing UV awareness is crucial for enjoying the vibrant outdoor life Uaua has to offer while keeping your skin safe.
The UV Index paints a vivid picture of a sun-drenched day, starting with a mild 1 at 07:00 and rapidly escalating to its peak. As the sun climbs higher, 08:00 sees it at 3, but by 09:00, it spikes to a brisk 6. The heat really intensifies around 10:00, where it hits 9, and reaches its zenith with a 10 at both 11:00 and 12:00. After this peak, a gradual decline begins; by 13:00, it's at 9, then falls to 6 by 14:00. The afternoon cools off with values of 3 at 15:00 and then plummets back to 1 at 16:00 and 17:00. As the sun sets, the UV Index drops to 0 by 18:00, marking the end of a fascinating solar journey for the day. Be sure to enjoy the sunshine, but don’t forget your sunscreen during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 1 | 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 exhibits notable seasonal changes, peaking dramatically during the summer months. January to April sees an extreme exposure category with a consistently high UV Index ranging from 14 to 15, leading to a burn time of just 10 minutes. This pattern persists into the late fall and winter months, as November and December also maintain a high index. Conversely, June to August presents a slightly lower but still extreme risk, with a maximum of 12 and a burn time of 10-15 minutes. The sun's intensity gradually decreases as autumn approaches, but high-risk months include January to April and November. Visitors and residents are strongly advised to take necessary precautions during these times by wearing protective clothing, using broad-spectrum sunscreen, and limiting sun exposure to avoid skin damage.
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 |
| Uaua | 15 | 14 | 15 | 14 | 12 | 10 | 11 | 12 | 13 | 14 | 15 | 14 |