Last updated: July 2, 2025
In Catalao, Brazil, awareness of the UV Index is crucial for safeguarding your skin and overall health. With temperatures typically reaching high levels in this Aw climate zone, understanding daily UV exposure can help prevent sunburn and long-term skin damage. As UV levels peak between 10:00 AM and 1:00 PM, with indices soaring up to 9, staying informed about these fluctuations allows residents and visitors to take appropriate precautions. Embracing this knowledge is key to enjoying the sun safely while exploring the beautiful surroundings of Catalao.
At 07:00, the UV Index starts off low at 1, indicating minimal risk for sun exposure. As the day progresses, it climbs to 3 by 09:00, still manageable but worth a slight caution if spending time outdoors. The real intensity kicks in around 10:00, reaching a moderate 6, and peaks at 12:00 with a high 9, when sun protection becomes essential. From 13:00 to 14:00, the UV Index remains strong at 8 and 7, respectively, prompting outdoor enthusiasts to seek shade or apply sunscreen liberally. The late afternoon sees a gradual decline; at 15:00, it drops to 4, then to 2 by 16:00, signaling a safe period for evening activities. As daylight fades, the UV Index plummets to 1 by 17:00 and finally 0 by 18:00, making the evening hours safe for all without the worry of harmful UV rays. Plan your day wisely to enjoy the sun safely!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 6 | high | 25 min |
11:00 | 8 | very high | 15 min |
12:00 | 9 | very high | 15 min |
13:00 | 8 | very high | 15 min |
14:00 | 7 | high | 25 min |
15:00 | 4 | 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 |
The UV Index exhibits significant seasonal variations, remaining high throughout the year, with particularly extreme levels from January to April and again in August to November. The UV Index peaks at 16 in the winter months of January, February, and December, indicating an extreme risk level with a burn time of just 10 minutes. As the year progresses, the risk remains notably high during March, April, and later in the fall with October and November, all classified under the extreme category. May, June, and July show a slight decrease, with UV ratings in the very high category, allowing for a slightly longer burn time of 15 minutes. Visitors and residents are strongly advised to take protective measures year-round, particularly from January to April and August to November, which are identified as high-risk months for UV exposure. Always wear sunscreen, protective clothing, and sunglasses, and seek shade during peak sunlight hours to prevent 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 |
Catalao | 16 | 16 | 14 | 12 | 10 | 8 | 9 | 11 | 12 | 14 | 15 | 16 |
Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |