Last updated: June 2, 2025
Understanding the UV Index is vital for residents and visitors in Espinosa, Brazil, where the sun's intensity can pose significant risks throughout the day. With a tropical Aw climate, the UV levels can soar, particularly between 10 AM and 2 PM, reaching heights of 9. This knowledge is crucial for preventing sunburn and safeguarding skin health, as prolonged exposure can lead to serious long-term effects. By being aware of UV levels, you can better plan your outdoor activities and protect yourself from harmful ultraviolet rays. Stay informed, stay safe, and enjoy the beautiful Espinosa sunshine responsibly!
The UV Index throughout the day demonstrates a distinct peak during the midday hours, reaching its maximum of 9 at 11:00 AM and again at 12:00 PM. As the sun rises, the UV Index begins at a mere 1 at 7:00 AM, gradually climbing to 4 by 9:00 AM. However, once the clock strikes 10:00 AM, the intensity escalates sharply to 7 before hitting its zenith. Following this, there is a slight tapering off in the afternoon hours, with values nearing 6 at 2:00 PM and gradually decreasing to 3 by 3:00 PM. As daylight wanes, the UV Index plummets, dropping to 1 by 4:00 PM and finally settling at 0 by 6:00 PM, signaling an end to the sun's powerful rays for the day. This data emphasizes the importance of sun protection, especially during those peak hours between 10:00 AM and 2:00 PM.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 3 | 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 |
The UV Index exhibits significant seasonal changes, peaking during the winter months and once again in late spring and early fall. January and December show an extreme UV Index of 16, closely followed by February (15) and November (15), which means that these months carry a high risk for sunburn with a burn time as short as 10 minutes. During March to April, the Index remains notably high, ranging from 14 to 13, suggesting that exposure should be carefully managed. The transition to summer is characterized by a slight dip in June and July with a UV Index of 9 and 10 (very high), leading to a longer burn time of 15 minutes. However, August marks a resurgence in the extreme category at 12, which continues through September and October with indices of 13 and 14 respectively. Residents and visitors should take precautions during these high UV months, including wearing protective clothing, applying sunscreen, and seeking shade to minimize the risk of harmful effects from sun exposure.
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 |
| Espinosa | 16 | 15 | 14 | 13 | 11 | 9 | 10 | 12 | 13 | 14 | 15 | 16 |