Last updated: June 2, 2025
Understanding the UV Index in Sagua la Grande, Cuba, is crucial for ensuring skin health and preventing sunburn, especially given the region's tropical climate. The UV Index varies throughout the day, peaking at midday with values reaching as high as 13, signaling extreme risk of harm from unprotected sun exposure. By being aware of these levels, you can safeguard yourself and your loved ones from harmful UV rays that can lead to serious skin issues. It's essential to stay informed, plan your outdoor activities wisely, and take protective measures to enjoy the beauty of Sagua la Grande while keeping your skin safe.
As the sun rises on this bright day, the UV Index starts off relatively low, peaking at just 1 at both 7:00 AM and 8:00 AM. However, by 9:00 AM, it jumps to 3, signaling an increase in UV exposure. The intensity escalates quickly, reaching a notable 6 by 10:00 AM. The real intensity hits its peak at 12:00 PM, when the UV Index soars to a striking 12, followed closely by a high of 13 at 1:00 PM. Over the next few hours, the index gradually diminishes, but still remains significant with 10 at 3:00 PM and 7 by 4:00 PM. As evening approaches, the levels continue to decline, returning to 1 once dusk settles in at 7:00 PM. Be sure to protect your skin!
| 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 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 13 | 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 |