Last updated: July 2, 2025
In Sagua la Grande, Cuba, being aware of the UV Index is crucial for safeguarding your skin health and preventing sunburn. Understanding the daily UV levels helps you make informed choices about sun exposure, particularly in this tropical region known for its warm climate and high UV risks. With peak UV Index values reaching as high as 12 during midday hours, it's essential to protect yourself from harmful rays by seeking shade, wearing protective clothing, and applying sunscreen. Stay informed and enjoy the sun safely in Sagua la Grande!
As the sun rises, the UV Index starts off low at a manageable 1 from 07:00 to 08:00. However, things heat up quickly as we move into the late morning; by 10:00, it spikes to 5, reaching 8 at 11:00. The peak intensity occurs at 12:00, with an impressive index of 11, closely followed by 12 at 13:00 and 14:00—the sun is at its strongest! A gradual decrease follows, dropping to 10 by 15:00 and continuing down to 4 at 17:00. As the day winds down, the index relaxes further to 2 at 18:00 and returns to a safe 1 by 19:00. It's clear that today's UV risk peaks around midday, so remember to stay protected during those exposed hours!
| 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 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal changes, with high-risk months primarily occurring from February through September. In February, the UV Index reaches a startling 10, indicating a very high risk of harm from unprotected sun exposure, with a burn time of only 15 minutes. The situation escalates in March and April, where the UV Index peaks at 12 and 13 respectively, classified as extreme, meaning that even minimal sun exposure can lead to skin damage in just 10 minutes. This extreme risk continues through late summer and into early fall, with sustained high values until October. As the UV Index drops back to 7 in January and December, these months still carry a high risk but offer slightly longer burn times of 25 minutes. It is essential for both visitors and residents to prioritize sun protection during the high-risk months, including wearing sunscreen, protective clothing, and seeking shade, to mitigate potential 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 |
| Sagua la Grande | 7 | 10 | 12 | 13 | 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 |
| 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 |