UV Index in San Sebastian, El Salvador

Last updated: May 3, 2025

In San Sebastian, El Salvador, being aware of the UV Index is crucial for protecting your skin from the sun's harmful rays. Understanding UV levels not only helps in preventing sunburn but also plays a vital role in maintaining long-term skin health. Given the region’s tropical climate, with peak UV Index values soaring to 14 during midday, residents and visitors must stay vigilant about sun exposure. By monitoring UV levels, you can enjoy the beautiful outdoors while safeguarding your skin against potential damage.

Hourly UV Index in San Sebastian

The UV Index today paints a vivid picture of sun intensity throughout the day. Early risers will experience a gentle start at 07:00 with a low of 2, slowly escalating to a more noticeable 4 by 08:00. As the sun climbs higher, the UV Index reaches a peak of 14 at 12:00—the critical midday moment when sun protection is essential. From there, it begins to taper off, dropping to 12 at 13:00 before plunging down to 1 by 17:00. As evening approaches, UV exposure decreases, ultimately settling at 0 by 19:00. Remember to stay sun-safe during those peak hours!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:002low45 min
08:004moderate30 min
09:007high25 min
10:0011extreme10 min
11:0013extreme10 min
12:0014extreme10 min
13:0012extreme10 min
14:009very high15 min
15:006high25 min
16:003moderate30 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in San Sebastian

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.

Monthly Maximum UV Index for San Sebastian, El Salvador

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Sebastian. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131313109
Data source: Statistical UV Index data for San Sebastian, based on information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Compare San Sebastian UV Index with Other El Salvador Cities

The table above highlights how UV exposure in San Sebastian compares to other major locations across El Salvador. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
San Sebastian's solar exposure compared to other cities in El Salvador. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mejicanos UVI11121414141413131313109
Soyapango UVI11121414141413131313109
San Salvador UVI11121414141413131313109
San Sebastian11121414141413131313109
San Miguel UVI11121414141413131313109
Santa Ana UVI11131414141414131313109