Last updated: June 2, 2025
In Canguçu, Brazil, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps residents and visitors alike to take necessary precautions against sunburn and long-term skin damage. With a Cfa climate, characterized by humid subtropical conditions, Canguçu experiences significant UV exposure, particularly during peak hours. As the UV Index rises to 4 by midday, it's essential to stay informed and adopt sun-safe practices to enjoy the outdoors while safeguarding your skin.
The UV Index throughout the day reveals a dynamic pattern of sun intensity. In the morning, it starts off low, peaking at 1 by 09:00. As the sun climbs higher, we see a steady increase with the index reaching 3 by 11:00. The highest point occurs from 12:00 to 13:00, where the UV Index hits a robust 4, indicating a need for sun protection during those hours. Following this peak, the index gradually declines, returning to 2 at 15:00, and then dropping back down to 0 by 18:00, marking the end of significant UV exposure for the day. Plan your outdoor activities accordingly to stay safe under the sun!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 2 | low | 45 min |
| 11:00 | 3 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 3 | 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 experiences significant seasonal fluctuations, with extreme levels dominating from January to March, where short burn times of just 10 minutes can lead to skin damage. As we transition into April, the index drops slightly to 9, categorized as very high, allowing for a marginally longer burn time of 15 minutes. This trend continues into September with another peak at 9, necessitating vigilance during this time. The summer months of May, June, and July see a reduction to moderate levels, providing burn times of 30 minutes—a bit safer but still important to maintain sun protection. In contrast, August spikes to 6 (high), requiring 25 minutes of careful sun exposure. As the year closes out, October and November return to extreme levels, and December peaks at an alarming 15 with only 10 minutes safe exposure. Therefore, residents and visitors should remain vigilant and practice sun safety, especially during high-risk months from January to March and again in October and November, ensuring they protect their skin effectively throughout the year.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cangucu | 14 | 14 | 12 | 9 | 5 | 4 | 4 | 6 | 9 | 12 | 14 | 15 |
| 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 |