Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Coromandel, Brazil, where the warm tropical climate can lead to significant UV exposure. Awareness of UV levels is essential for preventing sunburn and maintaining skin health, especially during the peak hours of sunlight. With UV Index values soaring to 9 around midday, it’s important to take precautions to protect yourself from harmful radiation. Coromandel's vibrant coastal scenery invites outdoor activities, but staying informed about UV risks can help you enjoy the sun safely while minimizing damage to your skin.
At 07:00, the UV Index starts off low at 1, indicating minimal risk for sun exposure. As the day progresses, it climbs to 3 by 09:00, still manageable but worth a slight caution if spending time outdoors. The real intensity kicks in around 10:00, reaching a moderate 6, and peaks at 12:00 with a high 9, when sun protection becomes essential. From 13:00 to 14:00, the UV Index remains strong at 8 and 7, respectively, prompting outdoor enthusiasts to seek shade or apply sunscreen liberally. The late afternoon sees a gradual decline; at 15:00, it drops to 4, then to 2 by 16:00, signaling a safe period for evening activities. As daylight fades, the UV Index plummets to 1 by 17:00 and finally 0 by 18:00, making the evening hours safe for all without the worry of harmful UV rays. Plan your day wisely 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 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | 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 |
The UV Index experiences significant fluctuations throughout the year, with extreme levels dominating the first four months, peaking at a UV Index of 16 in January, February, November, and December, where burn time is just 10 minutes. April and August also see extreme levels of 12 and 11, respectively, while March and September remain high at 14 and 13. May to July moderate to very high levels, with indices ranging from 8 to 10, allowing for slightly longer exposure times of 15 minutes. Visitors and residents should be particularly cautious during the high-risk months of January to April and August to November, where protective measures are essential due to rapid skin damage potential. Advised actions include seeking shade, wearing protective clothing, and applying sunscreen frequently to mitigate the risk of UV-related harm.
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 |
| Coromandel | 16 | 16 | 14 | 12 | 10 | 8 | 9 | 11 | 13 | 14 | 15 | 16 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |