Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Santo Antonio do Ica, Brazil, where the sun can be intense, especially during the midday hours. With a tropical climate that contributes to higher UV exposure, recognizing the levels of UV radiation is vital for preventing sunburn and safeguarding skin health. By knowing when UV levels peak—typically between 10 AM and 2 PM, when they can soar to 11—you can take proactive steps to protect yourself, whether it’s seeking shade or applying sunscreen. Embrace the beauty of Santo Antonio do Ica while staying informed and safe under the sun!
As the sun rises, the UV Index starts off low at 1 around 7:00 AM and 8:00 AM, making early hours relatively safe for outdoor activities. However, as the day progresses, the intensity heats up significantly, peaking at 11 from 12:00 PM to 1:00 PM, indicating high UV exposure. This midday sun suggests that taking precautions like wearing sunscreen and protective clothing is essential. Fortunately, the UV levels begin to decline in the afternoon, dropping to 9 by 2:00 PM and gradually tapering off to 1 by 5:00 PM. As evening approaches, the index finally settles at 0 by 7:00 PM, making it a perfect time to enjoy the outdoors without the worry of UV exposure.
| 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 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index remains notably high in this region, consistently categorized as extreme from January to November, with even December maintaining a significant level of UV exposure. The highest risk months are January, February, March, and April, each recording a UV Index of 16 and a critical burn time of just 10 minutes. While the index slightly decreases in the summer months of June, July, and August, it still ranges from 11 to 12, indicating substantial UV risk. As such, it is vital for both visitors and residents to take precautionary measures year-round, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours to minimize the danger of UV exposure.
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 |
| Santo Antonio do Ica | 15 | 16 | 16 | 16 | 13 | 12 | 11 | 12 | 13 | 14 | 13 | 14 |