Last updated: June 2, 2025
Understanding the UV Index in Juan Santiago, Dominican Republic, is essential for safeguarding your skin and overall health. With the region's tropical climate, residents and visitors are exposed to elevated UV levels, especially during midday hours, which can lead to sunburn, premature aging, and even skin cancer. As you navigate your day, being aware of the UV index can help you take preventative measures against harmful exposure. For instance, the index peaks at an intense 13 between noon and 1 PM, indicating a high risk of harm from unprotected sun exposure. Stay informed and protect yourself against the sun’s rays while enjoying the beautiful Dominican landscape!
During the sunlit hours of the day, the UV Index showcases a dramatic rise and fall, reflecting the sun's intensity. Starting at a gentle 1 at 07:00, it quickly escalates as the morning progresses. By 09:00, it reaches 4, but the true peak arrives around 12:00, soaring to a sun-scorching 13. This intense period lasts until 13:00, where the UV levels stabilize before beginning a gradual decline. As the afternoon transitions to evening, the index drops back to a much safer 3 by 17:00 and settles at a relaxed 1 by 19:00. Stay protected and seek shade during those peak hours!
| 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 | 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 | 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 in this region experiences significant fluctuations throughout the year, with the most intense levels occurring from February to October. During these months, the UV Index frequently reaches extreme levels of 11 to 14, dramatically reducing safe exposure times to just 10 minutes. The high-risk months for UV exposure are from February to April, where the index peaks at 14, necessitating caution for both visitors and residents. It is advisable to take stringent sun protection measures during this period, such as wearing sunscreen, protective clothing, and seeking shade, even on overcast days. Conversely, the months of November through January see a decrease in UV levels, but still warrant care as the UV Index remains in the very high category. Prioritize safety and awareness to mitigate the risks associated with UV exposure throughout the year.
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 |
| Juan Santiago | 9 | 11 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 11 | 9 | 8 |