Last updated: August 1, 2025
In Junqueiropolis, Brazil, staying informed about the UV Index is crucial for maintaining skin health and preventing sunburn. With the region's tropical climate characterized by a consistently high UV exposure, understanding daily UV levels can help residents and visitors protect themselves from harmful rays. For instance, during peak hours around noon, the UV Index can reach a concerning 8, indicating a very high risk of harm from unprotected sun exposure. By being aware of these levels, you can enjoy the beautiful weather of Junqueiropolis while taking necessary precautions to safeguard your skin against long-term damage.
The UV Index for the day exhibits a notable increase as the sun rises, peaking between 12:00 PM and 1:00 PM with a maximum value of 8, indicating that sunscreen and protective measures are highly recommended. The morning starts off mild, with values of 1 at 7 AM and 8 AM, gradually climbing to 2 by 9 AM. As the clock strikes 10 AM, the index rises to 4, marking the onset of higher UV exposure, which continues to escalate to 6 at 11 AM before hitting the peak. After 1 PM, the UV levels drop swiftly, falling to 6 at 2 PM, and declining further to 4 by 3 PM. The evening brings relief as the index dwindles to 2 at 4 PM, and finally settles at 1 by 5 PM, leading to a 0 rating at 6 PM and beyond. It's a day where staying sun-smart is vital around midday, but the evening promises a gentler UV presence.
| 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 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal variation, with the highest levels occurring during the winter and late fall months. From January to April, the UV Index remains in the extreme exposure category (15 to 11), with a rapid burn time of just 10 minutes. This extreme risk continues into September and October, matching the highest readings, while November also presents a notable UV Index of 14. The high-risk months are primarily January through April, and again in September through November. As the months progress to May through August, the levels decrease slightly, categorized as very high to high, allowing slightly longer burn times of 15 to 25 minutes. It is advisable for both visitors and residents to exercise extreme caution during peak UV times, particularly in the first half of the year, using appropriate sun protection measures such as sunscreen, hats, and protective clothing.
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 |
| Junqueiropolis | 15 | 15 | 13 | 11 | 8 | 7 | 8 | 10 | 11 | 14 | 14 | 16 |
| 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 |