Last updated: May 3, 2025
In San Gregorio de Nigua, understanding the UV Index is essential for protecting yourself from harmful sun exposure. With a tropical climate that often sees high UV levels, awareness of these indices can help you prevent sunburn and promote long-term skin health. During peak hours, like from 11:00 AM to 1:00 PM, the UV Index can soar to an intense 13, indicating a high risk of harm from unprotected sun exposure. By staying informed about UV levels, you can take proactive measures to enjoy the sun safely while safeguarding your skin.
The UV Index during the day reveals a notable peak in sun exposure. Starting at 07:00 with a gentle 1, it gradually climbs to 2 by 08:00. As the sun rises higher, the index surges dramatically, hitting 5 at 09:00, and reaching a striking 8 by 10:00. The intensity peaks at 12:00 with a scorching 13, remaining high until 13:00. After that, it starts to decline, returning to 11 at 14:00 and falling to 8 by 15:00. As the afternoon wanes, the index drops to 5 at 16:00, and finally settles back to 1 by 18:00 and 19:00. This data highlights the importance of sun safety measures during the midday hours when UV exposure is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant seasonal fluctuations, with the highest levels occurring from February to September. During these months, the UV Index reaches extreme levels of 11 to 13, resulting in a critical burn time of just 10 minutes—indicating a heightened risk for sunburn and skin damage. January, November, and December still present very high UV levels (9 and 8), but with a slightly longer burn time of 15 minutes. Visitors and residents are advised to take precautionary measures during high UV months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours to minimize the risk of harmful exposure. Stay vigilant and prioritize skin safety year-round!
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Santiago de los Caballeros UVI | 9 | 11 | 13 | 13 | 13 | 12 | 13 | 13 | 12 | 11 | 9 | 8 |
| San Gregorio de Nigua | 9 | 11 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 11 | 9 | 8 |
| Santo Domingo Oeste UVI | 9 | 11 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 11 | 9 | 8 |
| Santo Domingo UVI | 9 | 11 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 11 | 9 | 8 |
| Santo Domingo Este UVI | 9 | 11 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 11 | 9 | 8 |
| San Pedro de Macoris UVI | 9 | 11 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 11 | 9 | 8 |