Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors of Girua, Brazil. With its Cfa climate, the region experiences significant UV exposure, especially during peak daytime hours. This knowledge is essential for sunburn prevention and maintaining skin health, as even mild UV levels can lead to harmful effects over time. The UV Index in Girua peaks at 5 around midday, signifying a moderate risk for harm from unprotected sun exposure. By staying informed about the UV levels and taking appropriate precautions, you can enjoy the sun safely while protecting your skin from potential damage.
Today’s UV Index paints a clear picture of the sun's intensity throughout the day. Beginning at a cool 0 at 07:00, the UV levels gradually rise, reaching a mild 1 by 08:00 and 09:00. As the clock strikes 10:00, the index jumps to 3, signaling a moderate risk. The sun blazes at 12:00, peaking at 5, a time to apply that sunscreen if you plan to be outdoors! This peak remains steady until 14:00, before it begins to dip. By 15:00, UV levels drop to 3, and by 17:00, they cool off to 1. As the day winds down, the UV Index returns to a safe 0 by 18:00 and remains there through the evening. Stay protected under the midday sun to enjoy your day!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 2 | low | 45 min |
10:00 | 4 | moderate | 30 min |
11:00 | 6 | high | 25 min |
12:00 | 7 | high | 25 min |
13:00 | 7 | high | 25 min |
14:00 | 6 | high | 25 min |
15:00 | 4 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index varies significantly throughout the year, with January, February, March, October, November, and December categorized as extreme, indicating a high risk of harm from unprotected sun exposure with a burn time of just 10 minutes. April and September are labeled as very high, allowing for 15 minutes of safe exposure. In contrast, May sees a high exposure category with a burn time of 25 minutes, while June and July drop to a moderate risk, extending safe exposure time to 30 minutes. As such, visitors and residents should be particularly vigilant during the extreme months, taking precautions such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours to reduce the risk of skin damage.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Girua | 15 | 14 | 13 | 10 | 6 | 5 | 5 | 7 | 10 | 13 | 14 | 14 |
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 |