Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Mantua, Cuba, where the tropical climate invites plenty of sunshine but also significant UV exposure risks. UV levels can soar to a maximum of 12 during midday hours, indicating an urgent need for sunburn prevention and skin health awareness. By grasping the implications of these levels, you can take proactive measures to safeguard your skin from harmful rays while enjoying the beautiful sun-soaked days that Mantua has to offer. Stay informed and protect yourself against skin damage as you embrace the vibrant outdoor lifestyle in this stunning coastal town.
Throughout the day, the UV index experiences a significant rise, peaking at 12 around 1 PM and 2 PM, indicating extremely high levels of ultraviolet radiation. Morning hours start off gentle, with values remaining at 1 until 9 AM, gradually climbing to 4 by 10 AM. By 11 AM, it escalates to a robust 7, warning sun-seekers to take precautions. As the sun reaches its zenith at noon, the index surges to 10, highlighting the importance of sun protection. In the afternoon, values drop slightly but maintain intensity, tapering off to 5 by 5 PM and further declining into the evening, where the UV index returns to a mild 1 by 7 PM. Emphasizing the necessity of sun safety, the data serves as a reminder to seek shade or wear sunscreen during peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels exhibit significant variations, peaking during the late spring and summer months. Notably, March through October are identified as high-risk periods, with UV Index values ranging from 11 to 13—indicating extreme exposure levels. During these months, the average burn time is as short as 10 minutes, necessitating vigilant sun protection measures. In contrast, January and February feature a very high UV Index of 8 to 10, with a burn time of 15 minutes—still warranting caution. As winter approaches, the UV Index begins to decline, dropping to 7 in December, with a burn time of 25 minutes, signaling a slightly reduced risk. Visitors and residents should take proactive precautions, particularly from March to October, by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade to minimize UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Havana UVI | 7 | 10 | 11 | 12 | 12 | 13 | 12 | 12 | 12 | 10 | 8 | 7 |
| Mantua | 8 | 10 | 11 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 8 | 7 |
| Camaguey UVI | 8 | 10 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 9 | 7 |
| Holguin UVI | 8 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 11 | 8 | 7 |
| Santiago de Cuba UVI | 9 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 11 | 9 | 8 |
| Guantanamo UVI | 9 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 11 | 9 | 8 |