Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Cantagalo, Brazil, where the climate can lead to significant sun exposure. Awareness of UV levels not only helps in preventing sunburn but also plays a vital role in maintaining long-term skin health. With UV Index values peaking at 6 during midday, it's essential to take precautions against harmful rays, especially considering Cantagalo's warm and sunny climate. Being informed can empower you to enjoy the beautiful days while keeping your skin safe!
Experience the sun's journey with our hourly UV Index data! Starting at 7:00 AM, the UV Index is at a gentle 1, perfect for a leisurely morning. By 9:00 AM, it rises to 3, prompting caution as the sun begins to shine brighter. The peak intensity hits at 11:00 AM and 12:00 PM, with the UV Index reaching 6, making this the prime time to apply sunscreen and seek shade. As the afternoon rolls in, the index begins to drop, settling at 4 by 2:00 PM and then cascading down to 1 by 4:00 PM. Finally, as the sun sets, the index falls to 0 after 6:00 PM, signaling a safe time to enjoy outdoor activities without worry. Stay aware, and plan your day accordingly to protect your skin under the sun!
| 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 | 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 fluctuations, with extreme levels observed from January to April, where the index peaks at 16 in both January and December. These months, along with March (UV Index 13) and November (UV Index 14), represent high-risk periods for sun exposure, with a skin burn time as short as 10 minutes. In May, the UV Index drops to 8, categorized as very high, extending burn time to 15 minutes, while June sees a further decrease to a high level of 6 with a burn time of 25 minutes. However, the risk increases again in July and August, both categorized as very high, where burn times return to 15 minutes. To ensure safety, it is crucial for visitors and residents to take protective measures during these high-risk months, particularly between January and April and again in September and October, when the UV Index remains extreme. Utilizing sunscreen, wearing protective clothing, and seeking shade during peak hours are essential practices for minimizing UV exposure throughout the year.
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 |
| Cantagalo | 16 | 15 | 13 | 11 | 8 | 6 | 8 | 10 | 12 | 13 | 14 | 16 |
| 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 |