Last updated: July 2, 2025
In Campo Mourão, Brazil, being aware of the UV Index is essential for safeguarding your skin and enjoying the outdoors safely. The UV levels vary throughout the day, peaking at 7 from 12:00 PM to 1:00 PM, which underscores the importance of proper sun protection to prevent sunburn and reduce long-term skin health risks. With its Cfa climate offering warm summers and mild winters, Campo Mourão often experiences high UV exposure, making it crucial for residents and visitors alike to familiarize themselves with these daily UV fluctuations. By understanding the UV Index, you can take proactive steps to protect your skin while basking in the beautiful Brazilian sun.
The UV Index for the day presents a dynamic profile, starting from a protective 0 at 07:00 and slowly rising throughout the morning. By 10:00, it reaches a moderate 4, escalating to a peak of 7 between 12:00 and 13:00, indicating it’s time for sun safety precautions. As the afternoon progresses, the index dips gradually; by 16:00, it falls to 2, and finally returns to 0 by 18:00. Plan your day accordingly—early morning and late evening are your best bets for sun exposure, while midday calls for care!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | 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 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index experiences significant seasonal changes, with the highest levels seen from January to April, where it consistently falls within the extreme exposure category (UV Index values of 15 to 13). May marks a slight decrease to a very high category (UV Index 8), leading into a relatively lower high category during June and July (UV Index 6 to 7), before rising again in August with another very high rating. As summer turns to fall, September sees a jump back to extreme levels, similar to the winter months of October, November, and December. Visitors and residents should be especially cautious and limit their sun exposure from November through April and in September, as these months highlight peaks in the extreme UV Index category with a burn time of just 10 minutes. It is advisable to wear protective clothing, use sunscreen, and seek shade during these high-risk periods to ensure skin safety.
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 |
| Campo Mourao | 15 | 14 | 13 | 11 | 8 | 6 | 7 | 9 | 11 | 14 | 15 | 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 |