Last updated: May 3, 2025
In Sao Joao dos Patos, Brazil, understanding the UV Index is crucial for protecting your skin and maintaining your overall health. With high UV levels, especially during peak hours, knowing the daily UV forecast can help prevent sunburn and long-term skin damage. The region's tropical climate means intense sun exposure almost year-round. During the midday hours, UV Index values can soar to a striking 13, making it vital for residents and visitors alike to stay informed and take necessary precautions against harmful rays. Stay safe and enjoy the sunshine wisely!
The UV Index throughout the day showcases a dramatic rise and fall, peaking at 12 around 12:00 PM. The morning starts gently, with a maximum of 3 at 08:00 AM, but by 10:00 AM, it escalates to 10, indicating a significant increase in sun intensity. This reaches its zenith at 12:00 PM, where a UV Index of 13 emphasizes the need for sun protection. The intensity begins to taper off after this peak, dropping to 4 by 15:00 PM and further declining to 1 by 17:00 PM. As the evening approaches, the UV Index effectively returns to 0 after 18:00 PM, signaling the end of sun exposure risk for the day. Be mindful of these fluctuations and prioritize sun safety during peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 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 |
Throughout the year, UV Index readings remain notably high, with extreme levels recorded from January to April, consistently at 15, and only slightly decreasing in May and June, where it reaches 13 and 11, respectively. The summer months of July and August maintain high levels at 11 and 12, before increasing again in September and October. Notably, November and December also show high UV values of 14. This data indicates that the highest risk months for UV exposure are from January to April, where the UV Index remains at its peak. Therefore, it is crucial for visitors and residents alike to take precautions, such as wearing sunscreen, protective clothing, and sunglasses, as well as seeking shade during peak sun hours, to minimize the risk of skin damage year-round.
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 |
| Sao Joao dos Patos | 15 | 15 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 14 | 14 |