Last updated: July 2, 2025
Understanding the UV Index in Morrinhos, Brazil, is crucial for protecting your skin and maintaining overall health in this vibrant city. With its tropical Aw climate, residents and visitors alike experience high sun exposure, especially during peak hours when the UV Index can soar to 9. By being aware of these levels, you can take preventative measures against sunburn and long-term skin damage, ensuring your outdoor activities remain safe and enjoyable. Don't underestimate the importance of checking the UV Index—it's a simple way to safeguard your skin and embrace the sunny charm of Morrinhos!
As the sun rises, the UV Index starts off low at a comfortable 1 from 7:00 AM to 8:00 AM. By 9:00 AM, it jumps to 3, signaling a gradual increase in sun exposure. The intensity peaks around 12:00 PM, reaching an impressive 9, making midday the most critical time for sun safety. As the afternoon unfolds, the index slowly declines; it drops to 7 by 2:00 PM, then further decreases to 4 at 3:00 PM. The later hours offer a gentle reprieve, with values falling to 1 by 5:00 PM and ultimately 0 by 6:00 PM. Remember, during those peak hours, it’s essential to protect your skin!
| 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 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | 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 |
The UV Index exhibits significant seasonal variations, remaining high throughout the year, with particularly extreme levels from January to April and again in August to November. The UV Index peaks at 16 in the winter months of January, February, and December, indicating an extreme risk level with a burn time of just 10 minutes. As the year progresses, the risk remains notably high during March, April, and later in the fall with October and November, all classified under the extreme category. May, June, and July show a slight decrease, with UV ratings in the very high category, allowing for a slightly longer burn time of 15 minutes. Visitors and residents are strongly advised to take protective measures year-round, particularly from January to April and August to November, which are identified as high-risk months for UV exposure. Always wear sunscreen, protective clothing, and sunglasses, and seek shade during peak sunlight hours to prevent skin damage.
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 |
| Salvador UVI | 14 | 14 | 14 | 13 | 10 | 9 | 9 | 12 | 12 | 15 | 15 | 14 |
| Morrinhos | 16 | 16 | 14 | 12 | 10 | 8 | 9 | 11 | 12 | 14 | 15 | 16 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |