Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Francisco Beltrão, Brazil, where the Cfa climate brings warm temperatures and ample sunshine. Being aware of UV levels helps protect against sunburn and long-term skin damage, ensuring that outdoor activities remain enjoyable and safe. With peak UV Index values reaching 6 around midday, it's essential for locals to take necessary precautions during the sunniest hours to maintain skin health and prevent potential harm from excessive UV exposure. By keeping an eye on the UV Index, you can make informed decisions about sun protection and enjoy the beautiful Brazilian climate responsibly.
The UV Index throughout the day presents a dynamic interplay of sunlight, peaking at 12:00 PM and 1:00 PM with a robust 6. Early risers will enjoy the gentle warmth with a UV Index of 0 at 7:00 AM, slowly climbing to 1 by 8:00 AM. As the morning progresses, it reaches 3 at 10:00 AM and then escalates to its highest at noon. Afternoon hours see a gradual decline, dipping back to 5 at 2:00 PM before gently dropping to 3 by 3:00 PM. As the sun sets, the index retreats below 1 from 5:00 PM onward, concluding with a soothing 0 at 6:00 PM and remaining steady until dusk. Make sure to stay protected during the peak hours, especially when the sun's rays are at their strongest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | 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 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | 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, the UV Index in our region exhibits significant seasonal variations, with the highest risk months occurring from January to April, where the UV Index consistently reaches extreme levels between 15 and 13 and the burn time is merely 10 minutes. As we transition into May through July, the UV Index decreases slightly to 7 and 6, categorized as high, allowing for a longer burn time of 25 minutes. However, August experiences a spike again to 8, deemed very high, with a burn time of 15 minutes. In September and October, the UV levels rise back to extremes at 11 and 13, leading into the winter months of November and December, which again reflect extreme UV levels of 15. Visitors and residents should take preventive measures, such as wearing sunscreen, protective clothing, and sunglasses during the high-risk months, especially from January to April, and remain vigilant even in the late summer and early autumn, ensuring safe sun exposure throughout the year.
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 |
| Francisco Beltrao | 15 | 15 | 13 | 11 | 7 | 6 | 6 | 8 | 11 | 13 | 15 | 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 |