Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of San Rafael del Yuma, Dominican Republic, where the sun shines brightly year-round. With maximum UV levels often peaking at 11 or 13 during midday, being informed about these levels is essential for sunburn prevention and maintaining overall skin health. The tropical climate brings significant UV exposure risks, especially during the hottest hours from 10 AM to 2 PM. By monitoring the UV Index, locals can protect themselves and enjoy the beautiful, sunny days safely.
As the day unfolds, the UV Index reveals a dynamic pattern of sun exposure that peaks during midday. Starting at a gentle 1 at 07:00, the index gradually climbs, reaching a moderate 5 by 09:00. However, the real intensity kicks in around 10:00, skyrocketing to 8, and hitting its zenith at 12:00 with a striking 13. Be cautious! Direct sunlight can be harmful, as it dips slightly to 12 at 13:00 before gradually falling back down through 11 at 14:00 and 8 at 15:00. By late afternoon, the UV levels decrease to 5 by 16:00, and finally sink back to 1 by 18:00 and 19:00. It's a reminder of the sun's powerful rays—plan your outdoor activities accordingly!
| 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 | 12 | 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, UV Index levels in this region fluctuate significantly, leading to variations in risk for sun exposure. The high-risk months are from February to October, with extreme exposure categories dominating this period, peaking in May with an index of 14 and a burn time of just 10 minutes. Notably, even in January and November, the index remains very high with burn times of 15 minutes. To protect against harmful UV radiation, it is crucial for both visitors and residents to take precautions during these months, including wearing protective clothing, using sunscreen with a high SPF, and seeking shade, especially during peak sunlight hours. Staying informed and cautious can help ensure a safe and enjoyable experience outdoors.
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 |
| 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 |
| San Rafael del Yuma | 9 | 11 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 11 | 9 | 8 |