Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Irituia, Brazil, as it serves as a vital indicator of the potential for harmful UV radiation from the sun. Monitoring UV levels is essential for protecting your skin and preventing sunburn, which can lead to serious health issues over time. With Irituia's tropical climate, residents face considerable UV exposure, particularly during peak hours when indexes soar to 14 around midday. Being aware of these levels allows residents to make informed decisions about outdoor activities, ensuring a balance between enjoying the beautiful weather and safeguarding their skin health.
As day breaks, the UV Index begins to climb, peaking at an intense 14 around 12:00 PM. Early risers may enjoy a gentle start with a safe UV index of 1 at 07:00, but by 09:00, it surges to 6, indicating it's time for sun protection. The sun's power reaches its zenith with a critical 12 at 11:00 AM, making midday hours crucial for shielding skin from harmful rays. As the afternoon progresses, the index gradually drops, falling to 6 by 15:00, and then further to 1 by 17:00. By 18:00, the UV threat diminishes to 0, perfect for evening outdoor activities as the sun sets. Stay sun-safe!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 14 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index demonstrates significant seasonal variations, with the highest values occurring from January to April, peaking at 16, indicating an extreme exposure category and a mere 10-minute burn time for unprotected skin. Throughout the year, the high-risk months remain consistent, with the UV Index consistently at 13 or above from January to May and returning to 13 from August to December, signifying continued high risk even in the latter part of the year. Visitors and residents are advised to exercise extreme caution during all months, especially from January to April, by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade to minimize harmful exposure to UV radiation.
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 |
Irituia | 14 | 15 | 16 | 16 | 14 | 12 | 11 | 13 | 13 | 13 | 13 | 13 |