Last updated: June 2, 2025
Understanding the UV Index in Calixto, Cuba is essential for protecting your skin from harmful ultraviolet rays. With the index peaking at a remarkable 13 during the midday hours, awareness of UV levels can help prevent sunburn and long-term skin health issues. Calixto’s tropical climate brings strong sunlight year-round, making it vital for residents and visitors alike to be informed about UV exposure risks, especially during the hottest parts of the day. By keeping an eye on the UV Index, you can enjoy the sun safely while safeguarding your skin’s health.
The UV Index throughout the day showcases a dynamic pattern of sun intensity. At 7:00 AM, the index begins at a modest 1, gradually rising as the sun climbs higher in the sky. By 10:00 AM, it reaches 7, illustrating a marked increase in exposure. The peak occurs at 12:00 PM, hitting a striking 12, making it essential to seek shade or wear protective gear. The intensity remains high at 1:00 PM, reaching 13, before starting to decline after 2:00 PM, dropping to 9 by 3:00 PM. The late afternoon sees further decrease, settling at 3 by 5:00 PM and tapering off to 1 by the evening. Overall, this data underscores the importance of vigilant sun safety during the midday hours when UV exposure is at its most potent.
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 | 10 | very high | 15 min |
12:00 | 12 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 12 | extreme | 10 min |
15:00 | 9 | very high | 15 min |
16:00 | 6 | high | 25 min |
17:00 | 3 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
The UV Index shows significant seasonal variation, with February through September identified as high-risk months, where the UV Index consistently ranges from 12 to 13, indicating an extreme exposure category with a burn time of just 10 minutes. January and November feature a very high UV Index of 8, allowing for a slightly longer burn time of 15 minutes, while December has a high index of 7 but offers a more forgiving 25 minutes of exposure. Visitors and residents are strongly advised to take precautions during these high-risk months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade to minimize UV exposure and reduce the risk of skin damage.
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 |
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 |
Calixto | 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 |