Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Curvelo, Brazil, where the climate encourages outdoor activities but also presents significant sun exposure risks. The UV Index provides invaluable information on sun intensity, helping you protect against harmful effects like sunburn and long-term skin health issues. With Curvelo's tropical climate, typically featuring high UV levels, particularly around midday when the index peaks at 8, it's essential to be mindful of your sun exposure. Armed with this knowledge, you can enjoy the beautiful outdoors while safeguarding your skin from potential damage.
The UV Index throughout the day reveals a sharp increase in intensity, peaking around 12:00 PM, where it reaches an impressive 8. Early morning hours start softly with a maximum of 1 at 07:00, gradually climbing to 3 by 09:00 and hitting 6 at 10:00. 11:00 marks a significant rise to 7, before hitting the day’s zenith at 12:00. As the afternoon progresses, we see a decline, dropping to 5 by 14:00 and diminishing further to 3 by 15:00. The UV Index then falls sharply in the late afternoon and evening, settling back down to 1 by 17:00 and ultimately reaching 0 as night takes over. It’s crucial to stay safe under the sun during those peak hours, particularly between 11:00 AM and 2:00 PM!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 5 | 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 |
The UV Index data reveals significant seasonal changes, with the highest levels of UV exposure occurring from January to April, where the index consistently reaches between 16 to 17 and is categorized as extreme. During these months, individuals have a burn time of just 10 minutes, indicating a critical need for sun protection. May through July sees a slight decrease in UV levels (index of 8 to 9), categorized as very high, allowing for a slightly longer burn time of 15 minutes. However, caution is still advisable. As summer transitions to fall, the UV Index spikes again in August, September, and October, rendering these months again extreme, urging residents and visitors to remain vigilant with sun safety measures. November and December witness a return to extreme levels, prompting a sustained need for protective actions. It’s crucial for everyone to be aware, especially during high-risk months from January to April and again in August and October, to minimize the risk of UV exposure through adequate skin protection, appropriate clothing, and seeking shade when necessary.
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 |
| Curvelo | 17 | 16 | 14 | 12 | 9 | 8 | 9 | 11 | 12 | 14 | 15 | 16 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |