Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Envira, Brazil, where the tropical climate brings both sun-soaked days and significant exposure to ultraviolet rays. Awareness of UV levels empowers you to take proactive measures against sunburn and long-term skin health issues, especially when the UV Index can reach a high of 12 around midday. With an Af climate, Envira's sun tends to be intense; knowing when to seek shade or apply sunscreen can make all the difference in enjoying the outdoors safely. Stay informed, protect your skin, and embrace the vibrant lifestyle that comes with living in this beautiful region!
The UV Index data paints a vivid picture of the sun's intensity throughout the day. Early risers will find a gentle start with a max UV Index of 1 at 07:00, but by 08:00, it ramps up to a moderate 4. Mid-morning shines with a peak at 9:00, reaching 7, and by 10:00, it escalates to 10, signaling a prime time for sun protection. The sun is at its strongest between 11:00 and 12:00, with the UV Index hitting its maximum of 12—a crucial hour for sunscreen application! As the afternoon sets in, the index gracefully declines to 10 at 13:00, dipping further to 7 by 14:00. By late afternoon, the UV levels drop to a mere 4 at 15:00 and sink to 1 by 16:00, leading into the evening where the index quiets to 0 after 18:00. Remember, day planning should consider these fluctuations to safeguard against UV exposure.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | 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, UV Index levels exhibit significant seasonal variation, predominantly remaining in the extreme category, especially from January to April, where values soar as high as 16. High-risk months include January through April and October, during which the UV Index consistently hits 15 or higher, indicating a very short burn time of just 10 minutes. Even in the summer months, such as July with an Index of 10, the risk remains notably high at a very high exposure level. Residents and visitors are strongly advised to take precautionary measures throughout the year, particularly during these peak months, by wearing protective clothing, applying sunscreen regularly, and limiting direct sun exposure during the hottest parts of the day. Staying informed and proactive is essential for 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 |
| 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 |
| Envira | 15 | 16 | 16 | 15 | 12 | 11 | 10 | 12 | 12 | 15 | 14 | 14 |