Last updated: July 2, 2025
Understanding the UV Index in Guara, Brazil, is crucial for safeguarding your skin against harmful ultraviolet radiation. With the region's Aw climate characterized by high temperatures and significant sun exposure, knowing UV levels helps in preventing sunburn and maintaining overall skin health. The UV Index peaks during midday, reaching levels as high as 8 between 12:00 PM and 1:00 PM, highlighting the importance of proactive sun protection strategies. Stay informed and keep your skin safe while enjoying the beautiful Brazilian sun!
At dawn, the UV Index remains low, peaking at 1 by 08:00. As the sun rises higher, a notable increase occurs, reaching 3 at 09:00 and escalating dramatically to a maximum of 8 from 12:00 to 13:00. This midday surge indicates a higher risk for sun exposure, making it essential to take precautions such as wearing sunscreen and protective clothing. The intensity then gradually declines, dropping to 4 by 15:00, and continuing its descent to 0 by 19:00, marking the end of the sun’s peak influence for the day. Stay mindful of these hourly fluctuations 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 | 5 | moderate | 30 min |
11:00 | 7 | high | 25 min |
12:00 | 8 | very high | 15 min |
13:00 | 8 | very high | 15 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 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, the UV Index fluctuates significantly, with January to April showcasing extreme levels (UV Index of 12-16) and a minimal burn time of just 10 minutes. May marks a transition to a very high exposure category (UV Index of 9) with increased burn time of 15 minutes, while June and July see a slight reduction (UV Index of 7-8) but remain high risk, with burn times of 25 and 15 minutes, respectively. As summer shifts into early autumn, August and September revert to extreme levels, prompting a return to quick burn times of 10 minutes. October and November continue to exhibit extreme UV levels, ultimately peaking again in December. Visitors and residents should exercise caution during the high-risk months, particularly from January through April and again in August through November, always using appropriate sun protection measures and seeking shade during peak hours.
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 |
Guara | 16 | 16 | 14 | 12 | 9 | 7 | 8 | 11 | 12 | 14 | 15 | 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 |