Last updated: June 2, 2025
Understanding the UV Index is essential for the residents and visitors of Ourilandia do Norte, Brazil, given the region's warm, tropical climate. High UV levels, especially during peak hours, can lead to sunburn and long-term skin damage, making awareness crucial for maintaining skin health. Between 10 AM and 2 PM, the UV Index can soar to dangerous levels, peaking at 11, meaning protective measures are vital to avoid harmful exposure. By staying informed about UV forecasts, you can enjoy the beautiful outdoors safely while protecting yourself from the sun's harmful rays.
The UV Index for the day presents a clear picture of sun intensity, starting off gentle in the early hours. At 7:00 AM, it begins at a mild 1, increasing to 2 by 8:00 AM. As the sun rises higher, the index climbs rapidly; by 10:00 AM, it reaches 7 and peaks at an intense 11 around 12:00 PM and 1:00 PM. After this zenith, the levels gradually decline, dropping to 9 by 2:00 PM, 6 at 3:00 PM, and settling back to a safe 1 by 5:00 PM. The UV exposure diminishes further, reaching a low of 0 by 7:00 PM. Stay protected during those peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index remains consistently high throughout the year, peaking at 15 from January to April, indicating an extreme exposure category with a minimal burn time of just 10 minutes. Although May and June see a slight decrease to 12 and 11, respectively, the risk level remains categorized as extreme. By July and August, the UV Index stabilizes at 11 and 12, before rising again in October and November, reaching 14. Thus, high-risk months for UV exposure are from January to April and again from November to December. Residents and visitors are strongly advised to practice sun safety measures during these months, including wearing protective clothing, applying sunscreen, and seeking shade to mitigate the risk of skin damage.
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 |
Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |
Ourilandia do Norte | 15 | 15 | 15 | 15 | 12 | 11 | 11 | 12 | 12 | 13 | 14 | 15 |