Last updated: June 2, 2025
Being aware of the UV Index is essential for residents and visitors of Campo Mourão, Brazil. Understanding UV levels is crucial for sunburn prevention and overall skin health, especially given the typically sunny climate of the region. With UV Index levels peaking at 6 around midday, the potential for harmful skin damage increases significantly. This awareness allows individuals to take proactive measures to protect themselves from the sun’s intense rays, making it vital for everyone, especially those engaging in outdoor activities. Stay informed and keep your skin safe in the vibrant sunshine of Campo Mourão!
The UV Index throughout the day tells a compelling story of sun exposure. Starting at a cool 0 at 07:00, the intensity slowly increases, reaching 1 by 08:00 and progressing to 2 at 09:00. The sun moves higher in the sky, and by 10:00, the index climbs to 4, peaking at 6 between 12:00 and 13:00—a clear indication to wear sunscreen and seek shade. After 13:00, the index begins its gentle descent, dropping to 5 at 14:00 and further down to 3 by 15:00. The day's UV activity wanes, going to 2 at 16:00 and back to 1 by 17:00, before returning to a safe 0 from 18:00 onward. Make sure to enjoy the sun thoughtfully during its peak hours!
| 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 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | 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 |