Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Caarapo, Brazil, where the climate is characterized by warm temperatures year-round. With UV levels reaching their peak around midday and averaging a maximum of 7 during the sunniest hours, awareness of these levels is essential for sunburn prevention and maintaining long-term skin health. In Caarapo, where the intense sun can pose significant exposure risks, monitoring the UV Index helps you enjoy outdoor activities safely while protecting yourself from harmful rays. Stay informed and take proactive measures to safeguard your skin in this sun-drenched region.
As the day unfolds, the UV Index reaches its peak during the late morning and early afternoon hours. Starting at a mild 1 at 7 AM, the index gradually climbs to a more noticeable 7 by 11 AM, signaling a time when sun protection becomes essential. It holds steady at 7 until noon, then begins to decline, dipping to 4 by 2 PM, and further falling to 1 by 4 PM. By evening, the UV Index drops to 0, indicating a safe time to enjoy the outdoors without the worry of harmful UV exposure. Remember, during the peak hours from 10 AM to 2 PM, it's crucial to wear sunscreen and protective clothing to safeguard your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 2 | low | 45 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 |
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 |
| Caarapo | 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 |