Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Garibaldi, Brazil, a region known for its Cfa climate, which brings warm summers and ample sunlight. Being aware of UV levels is essential not only for preventing sunburn but also for maintaining long-term skin health. During peak hours, especially around noon, UV Index readings can reach as high as 5, indicating a moderate risk of harm from unprotected sun exposure. By staying informed about the UV Index, you can better protect yourself and enjoy the beautiful, sunlit landscapes of Garibaldi while minimizing the potential risks associated with UV radiation.
The UV Index data reveals a dynamic daily cycle of sun exposure. Starting low at 07:00, with a reading of 0, the intensity gradually increases as the day progresses. By 10:00, it reaches a moderate level of 3, peaking at 12:00 and 13:00 with a high of 5. This is the perfect time for sunbathing or outdoor activities, but remember to apply sunscreen! The UV Index then begins to taper off, dropping to 4 by 14:00, and descending further to 1 by 16:00. As the day winds down, the levels fall back to 0 by 18:00 and remain there until 19:00. Stay informed and enjoy the sunshine safely!
| 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 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 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 experiences significant variations throughout the year, with January, February, March, October, November, and December classified as high-risk months due to their extreme ratings, consistently reaching UV Index values of 14 or higher and a burn time of just 10 minutes. As spring approaches, even April remains a concern with its very high UV Index of 10 and a burn time of 15 minutes. In contrast, the summer months of June and July see a moderate risk, with an Index of 5 and longer burn times of 30 minutes. May and August display a high risk, with UV ratings of 6 and 7 respectively. As the seasons transition to fall, September reports a very high risk once more with a burn time of 15 minutes. Considering these fluctuations, it is crucial for both visitors and residents to remain vigilant during high-risk months by using appropriate sun protection strategies, such as sunscreen and protective clothing, especially when spending extended periods outdoors.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Garibaldi | 14 | 14 | 12 | 10 | 6 | 5 | 5 | 7 | 10 | 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 |