UV Index in La Union, El Salvador

Last updated: July 2, 2025

In La Union, El Salvador, being aware of the UV Index is essential for protecting your skin and overall health. With the region's tropical climate and plenty of sunshine throughout the year, understanding UV levels is crucial for preventing sunburn and reducing the risk of long-term skin damage. During peak hours, especially between 10:00 AM and 1:00 PM, the UV Index can soar to levels 12 and 13, indicating a very high risk of harm from unprotected sun exposure. Stay informed to enjoy the beautiful beaches and stunning landscapes of La Union while keeping your skin safe!

Hourly UV Index in La Union

The UV Index today displays a dynamic pattern, peaking at a striking 13 around 12:00 PM, signaling the strongest sun exposure of the day. Early risers will enjoy a low UV of just 2 at 7:00 AM, but as the sun ascends, the index climbs sharply, reaching 10 by 10:00 AM and hitting 12 at 11:00 AM. As the afternoon unfolds, it gradually dips to 9 at 2:00 PM and then decreases further to 6 by 3:00 PM. By the evening, the UV Index drops significantly, plummeting to 1 at both 4:00 PM and 5:00 PM, and falling to 0 by 7:00 PM. Stay safe and protect your skin 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
10:0010very high15 min
11:0012extreme10 min
12:0013extreme10 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 La Union

The UV Index experiences significant seasonal variations, peaking during the spring and summer months. From January to April, the index starts at 10 and rises to 14 by March and remains at that level through June, indicating an extreme exposure category with a burn time as short as 10 minutes. The highest risk months are from February to June, when the UV levels are particularly critical. July to September see a slight decrease to 13, yet they still maintain an extreme exposure rating. As the year transitions to October, the index remains steady at 13, dropping to 10 in November and 9 by December, marking a return to a very high exposure category. To protect themselves from harmful UV radiation, it is advised for visitors and residents to wear sunscreen, seek shade, and wear protective clothing, especially during the high-risk months of February through June.

Monthly Maximum UV Index for La Union, El Salvador

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in La Union. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141413131313109
Data source: Statistical UV Index data for La Union, 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 La Union UV Index with Other El Salvador Cities

The table above highlights how UV exposure in La Union 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.
La Union's solar exposure compared to other cities in El Salvador. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
La Union10121414141413131313109
Mejicanos UVI11121414141413131313109
Soyapango UVI11121414141413131313109
San Salvador UVI11121414141413131313109
San Miguel UVI11121414141413131313109
Santa Ana UVI11131414141414131313109