Last updated: July 2, 2025
Being aware of the UV Index is crucial for residents and visitors of Piedra Blanca, Dominican Republic, especially given its tropical climate which predisposes individuals to heightened UV exposure. Understanding the UV levels can significantly assist in preventing sunburn and maintaining long-term skin health. With daily peaks reaching as high as 13 around midday, the sun can be a formidable force. By staying informed about UV risks, you can take proactive measures to protect your skin while enjoying the beautiful sunny days that Piedra Blanca has to offer.
As the sun rises at 7:00 AM, the UV Index starts low at 1, but it quickly escalates as the day unfolds. By 9:00 AM, it reaches a moderate 4, signaling the approach of midday intensity. The peak occurs between 11:00 AM and 12:00 PM, where it surges to a blistering 13—a time when protective measures are crucial. After reaching its zenith, the UV Index begins to decline, dropping to 9 by 3:00 PM, before tapering off further to 1 by 6:00 PM. This data emphasizes the importance of sun safety during the midday hours when the risks are highest. Stay vigilant and enjoy the sunshine wisely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal variations, peaking from February to October with particularly high levels from March to October where it reaches extreme levels of 13 to 14, indicating a burn time of just 10 minutes. Notably, the highest UV Index values occur in March, April, and May. As the year progresses towards winter, the UV Index drops, with January and November marking very high exposure levels (UV Index 9) and longer burn times of 15 minutes, while December shows a slight decline to 8. For both residents and visitors, it is crucial to take preventive measures against UV exposure, especially during the high-risk months of February through October, by wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours to minimize the risk of skin damage.
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 |
| Piedra Blanca | 9 | 11 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 9 | 8 |