Last updated: June 2, 2025
Understanding the UV Index in San Felipe, Chile is crucial for maintaining skin health and preventing sunburn. With its Csb climate, San Felipe experiences varied UV exposure throughout the day, peaking during midday hours when the risk of harmful effects is highest. Being aware of UV levels is essential not only for planning outdoor activities but also for protecting yourself and your loved ones from potential skin damage. The UV Index data shows that during the summer months, UV levels can reach a maximum of 4 between 12 PM and 1 PM, highlighting the need for proper precautions. Stay informed and enjoy the sunny days safely!
The UV Index throughout the day reveals a dynamic pattern of sun intensity. In the morning, it starts off low, peaking at 1 by 09:00. As the sun climbs higher, we see a steady increase with the index reaching 3 by 11:00. The highest point occurs from 12:00 to 13:00, where the UV Index hits a robust 4, indicating a need for sun protection during those hours. Following this peak, the index gradually declines, returning to 2 at 15:00, and then dropping back down to 0 by 18:00, marking the end of significant UV exposure for the day. Plan your outdoor activities accordingly to stay safe under the sun!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 2 | low | 45 min |
| 11:00 | 3 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 2 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index reveals significant seasonal variations in sun exposure levels, with January through March marking the highest-risk months as the UV Index peaks at 15 to 11 and falls under the extreme exposure category, necessitating a burn time of just 10 minutes. Following this intense phase, April sees a drop to 8 (very high) with a slightly longer burn time of 15 minutes. May to July experience moderate levels (UV Index 5 to 4), allowing for 30 minutes of safe exposure, while August escalates to a high category (UV Index 6) where the burn time shortens to 25 minutes. As fall arrives, the UV Index climbs again, peaking in October at 11 and November at 13, indicating a return to extreme levels of exposure with a 10-minute burn time. Residents and visitors should take precautionary measures by wearing sunscreen, protective clothing, and seeking shade, particularly during the extreme months, to minimize the risk of UV-related skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Santiago UVI | 14 | 12 | 11 | 7 | 5 | 3 | 4 | 6 | 8 | 11 | 12 | 14 |
| Valparaiso UVI | 14 | 12 | 11 | 8 | 5 | 4 | 4 | 6 | 8 | 11 | 12 | 14 |
| Vina del Mar UVI | 14 | 12 | 11 | 8 | 5 | 4 | 4 | 6 | 8 | 11 | 12 | 14 |
| San Felipe | 15 | 13 | 11 | 8 | 5 | 4 | 5 | 6 | 8 | 11 | 13 | 14 |
| Puente Alto UVI | 15 | 14 | 12 | 8 | 6 | 4 | 6 | 8 | 11 | 12 | 14 | 15 |
| Antofagasta UVI | 15 | 15 | 13 | 10 | 8 | 6 | 7 | 9 | 11 | 14 | 15 | 15 |