Last updated: August 1, 2025
In Santa Cruz del Norte, Cuba, being aware of the UV Index is crucial for enjoying the sun safely. With the region's tropical climate and predominance of clear skies, understanding UV levels can make a significant difference in preventing sunburn and maintaining skin health. During peak hours, especially between 11 AM and 3 PM, the UV Index can reach as high as 12, indicating a very high risk of harm from unprotected sun exposure. Stay informed and protect your skin to fully embrace the beautiful outdoors of Santa Cruz del Norte!
The UV Index throughout the day showcases a steep rise in sun intensity, peaking at 12 between 1:00 PM and 2:00 PM, indicating a very high risk of harm from unprotected sun exposure. Early in the morning at 7:00 AM, the index starts at a manageable 1, gradually building to 5 at 10:00 AM. As the clock strikes 11:00 AM, it surges to 8, and by noon, it hits 11, urging outdoor enthusiasts to seek shade or apply sunscreen diligently. In the afternoon, the index remains elevated, reaching 10 at 3:00 PM before tapering off to 4 by 5:00 PM and finally settling back to 1 as the sun sets at 7:00 PM. This data emphasizes the necessity for sun protection during the midday hours when the UV exposure is at its peak.
| 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 | 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 exposure varies significantly, with the highest risk occurring from February to September. During these months, the UV Index reaches extreme levels (11-13), particularly noticeable in March, April, and June, where the burn time is as low as 10 minutes. Even in May and July, the UV remains at 12. Residents and visitors should be particularly vigilant from March through September, applying sunscreen frequently, wearing protective clothing, and seeking shade during peak hours to minimize the risk of sunburn. As the seasons transition, the UV Index drops to high levels in January and December, and very high in late fall (October and November), with burn times of 15-25 minutes, but caution is still advised during these months as well. Be proactive in protecting your skin year-round.
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 |
| Santa Cruz del Norte | 7 | 10 | 11 | 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 |