Last updated: June 2, 2025
Understanding the UV Index in Las Guaranas, Dominican Republic is crucial for protecting your skin and overall health. With high UV levels peaking between 11:00 AM and 1:00 PM—reaching levels of 12—the risk of sunburn and long-term skin damage significantly increases. Familiarizing yourself with these UV levels can help you make informed decisions about sun protection, ensuring that you can enjoy the region's tropical climate while staying safe. Given Las Guaranas’ sunny disposition throughout the year, being vigilant about UV exposure is essential to maintain healthy skin and prevent adverse effects from prolonged sun exposure.
As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00 and gently climbing to 2 by 08:00. The warmth of midday brings a significant surge, with the index peaking at a striking 12 between 12:00 and 13:00—a reminder to stay protected with sunscreen and hats! As the afternoon progresses, the levels gradually decline, dropping to 8 by 15:00 and further easing back to 1 by the time the sun sets at 19:00. This hourly fluctuation highlights the importance of being mindful of UV exposure, especially during those peak hours when the sun’s rays are strongest!
| 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 | 12 | 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, the UV Index shows significant seasonal variation, with the highest levels occurring from February to September. The most critical months for UV exposure are February, March, April, May, July, and August, where the UV Index consistently reaches extreme levels (above 11) with a burn time as short as 10 minutes. Visitors and residents should take precautions during these high-risk months by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen frequently. As the year progresses into the later months, while the UV Index decreases slightly, it is still advisable to remain vigilant, especially in November and December when the UV levels are at very high (9) and high (8), respectively, as 15-minute burn times can still pose a risk.
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 |
| Las Guaranas | 9 | 11 | 13 | 13 | 13 | 12 | 13 | 13 | 12 | 11 | 9 | 8 |