Last updated: June 2, 2025
In Guara, Brazil, being aware of the UV Index is vital for maintaining skin health and preventing sunburn, especially in this hot, tropical climate. With UV levels peaking around midday—reaching as high as 7—understanding the sun's intensity can help residents make informed decisions about sun exposure. High UV levels can lead to serious skin conditions, making it crucial to protect yourself during peak hours, typically between 10 AM and 2 PM. With Guara's Aw climate, characterized by its warm temperatures, staying informed about your UV exposure is not just wise; it's essential for a healthy lifestyle.
The UV Index for the day reveals a significant shift as the sun rises. Starting at a low 1 at 07:00 and 08:00, the intensity gradually ramps up, peaking at 7 during 12:00 and 13:00—prime time to protect your skin! As the afternoon progresses, it dips to 5 by 14:00, then descends further to 3 at 15:00. The latter part of the day sees a decline in UV exposure, returning to 1 by 16:00 and eventually dropping to 0 by 18:00 and 19:00. Be mindful of the midday sun; it's wise to wear sunscreen and seek shade when the UV Index is at its highest!
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 | 6 | high | 25 min |
12:00 | 7 | high | 25 min |
13:00 | 7 | high | 25 min |
14:00 | 5 | moderate | 30 min |
15:00 | 3 | moderate | 30 min |
16:00 | 1 | 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 |