Last updated: May 3, 2025
In Butia, Brazil, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels not only helps prevent painful sunburns but also reduces the long-term risks associated with skin damage. With a Cfa climate, Butia experiences sunny days, leading to heightened UV exposure, especially during midday hours when the UV Index can reach as high as 6. Stay informed to enjoy the sunshine safely and protect your skin while basking in this beautiful locale!
The UV Index over the day shows a dynamic range of exposure, starting off calm in the early hours. At 07:00 and 08:00, it remains at a gentle 1, perfect for a leisurely morning. As the sun climbs higher, the index rises steadily, reaching 2 by 09:00 and peaking at 6 around 12:00, indicating caution is necessary for outdoor activities. The intensity slightly dips from there, down to 5 by 13:00 and then to 4 at 14:00, before gradually decreasing to 1 by 16:00. Finally, the UV exposure diminishes to 0 by 18:00, signaling a safe end to the day. Stay mindful of those peak hours for a fun and safe experience in the sun!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 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 |
Throughout the year, seasonal UV changes show extreme levels from January to March, with a UV Index peaking at 14 during these months and a rapid burn time of just 10 minutes. As spring progresses, April sees a decrease to a UV Index of 9, indicating a very high exposure category, with burn times extending to 15 minutes. By May, the UV Index drops to 6 (high), where residents can spend up to 25 minutes in the sun without burning. The summer months of June and July bring about a moderate UV Index of 4 and 5 respectively, allowing for 30 minutes of sun exposure before a burn occurs. However, from August to October, a rise to high and extreme levels returns, urging caution with burn times shrinking back down to 15-10 minutes in September and October. November and December again reflect extreme conditions, with Ultraviolet exposure remaining a concern. Visitors and residents are strongly advised to employ sun protection measures—such as wearing sunscreen, hats, and protective clothing—especially during the high-risk winter and early spring months, to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Butia | 14 | 13 | 12 | 9 | 6 | 4 | 5 | 7 | 9 | 12 | 13 | 14 |
| 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 |