Last updated: July 2, 2025
In the vibrant region of San Sebastian, El Salvador, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding the UV levels throughout the day is essential not only for preventing sunburn but also for minimizing long-term skin damage. With a tropical climate that often features high UV exposure, particularly between late morning and early afternoon when levels soar to 13, residents and visitors alike should be aware of peak times and take proactive measures. Embrace the sun safely by monitoring daily UV readings, ensuring your adventures in this stunning locale are both enjoyable and safe!
The UV Index throughout the day follows a striking pattern, peaking sharply at 11:00 AM and 12:00 PM with a maximum value of 13. As the day begins, the UV levels are quite low, starting at 1 at 7:00 AM, gradually climbing to a moderate 4 by 8:00 AM. As 9:00 AM rolls around, the intensity escalates to 7, and by 10:00 AM, it reaches a strong 10. The intensity of UV radiation continues to soar, urging caution as it peaks at the midday hours. Following the zenith, the UV index gently descends, dropping to 9 at 2:00 PM and tapering downwards to 6 by 3:00 PM, before winding down to a mere 1 by 5:00 PM and 0 by 7:00 PM. This highlights the importance of sun protection during the peak hours, particularly between 11:00 AM and 2:00 PM.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index clearly demonstrates a pattern of extreme sun exposure from January through July. The highest values peak in March to June, with an index of 14, indicating the most critical months for UV risk. As summer transitions into fall, the index gradually decreases but remains at a high level through August and September. Notably, November and December present a slight reduction to very high levels, with a burn time of 15 minutes. Residents and visitors should take precautionary measures during these high-risk months, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade to minimize UV exposure and prevent sunburn.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mejicanos UVI | 11 | 12 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 10 | 9 |
| Soyapango UVI | 11 | 12 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 10 | 9 |
| San Salvador UVI | 11 | 12 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 10 | 9 |
| San Sebastian | 11 | 12 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 10 | 9 |
| San Miguel UVI | 11 | 12 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 10 | 9 |
| Santa Ana UVI | 11 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 10 | 9 |