Last updated: June 2, 2025
In Navirai, Brazil, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding the levels of ultraviolet radiation can significantly aid in sunburn prevention and long-term skin health, as excessive UV exposure can lead to serious conditions, including skin cancer. With Navirai's tropical climate, residents and visitors often face varying UV levels throughout the day, peaking at a moderate 6 between 11:00 AM and 12:00 PM. By keeping an eye on the UV Index, you can enjoy the sun safely while minimizing risks associated with UV exposure.
The UV Index throughout the day peaks at 6 around 11:00 AM and 12:00 PM, signaling the highest risk of harm from unprotected sun exposure during these hours. Starting off with a mild 1 at 7:00 AM, it gradually rises to a moderate 3 by 9:00 AM. From there, it climbs to 5 by 10:00 AM, reaching its climax at 6 during midday. As the afternoon progresses, the index declines, dropping back to 2 by 3:00 PM and further to 1 at 4:00 PM. By 5:00 PM, the UV Index reaches 0, indicating minimal risk for skin damage as the sun begins to set. For anyone spending time outdoors, it's crucial to stay sun safe during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 2 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 0 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal variation, with extremely high values persisting from January to April and returning in September to November, indicating that these are high-risk months for UV exposure. During this period, the UV Index is consistently at 15 in January, February, and December, and peaks at 15 in November, with a burn time of just 10 minutes. As summer approaches, May and August present very high UV conditions (UV Index 8 and 9 respectively) with slightly longer burn times of 15 minutes. Visitors and residents should take extra precautions, utilizing sunscreen, seeking shade, and wearing protective clothing during these months to prevent sunburn and long-term skin damage. In contrast, June and July offer comparatively lower UV levels (UV Index 6 and 7) where the burn time increases to 25 minutes, but caution is still advised. Overall, vigilance regarding UV exposure is essential throughout the year, especially during these identified high-risk months.
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 |
| Navirai | 15 | 15 | 13 | 11 | 8 | 6 | 7 | 9 | 11 | 14 | 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 |