UV Index in La Union, Mexico

Last updated: May 3, 2025

Understanding the UV Index in La Union, Mexico, is crucial for residents and visitors alike, as it serves as a vital indicator of sun exposure and its potential risks. With the region's warm Af climate, UV levels can soar, particularly between 10 AM and 2 PM, peaking at 14—indicating a very high risk of harm from unprotected sun exposure. Being aware of these levels not only helps in preventing painful sunburns but also plays a significant role in maintaining long-term skin health. As you enjoy the beautiful sunshine in La Union, stay informed about the UV Index to protect yourself and enjoy the outdoors safely!

Hourly UV Index in La Union

At dawn, the UV Index begins its leisurely climb, starting at a mild 1 by 7:00 AM and maintaining that level until 9:00 AM. Then, the sun takes center stage, with the index skyrocketing to a maximum of 14 by 1:00 PM, indicating intense sun exposure. The peak occurs at 12:00 PM with a striking 13, signaling the perfect time to seek shade or don protective gear. As the afternoon progresses, UV levels begin to taper off, descending to 10 by 3:00 PM and then down to 1 again by the time the sun sets at 7:00 PM. This hour-by-hour journey serves as a reminder to stay vigilant 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
07:001low45 min
08:001low45 min
09:004moderate30 min
10:007high25 min
11:0010very high15 min
12:0013extreme10 min
13:0014extreme10 min
14:0013extreme10 min
15:0010very high15 min
16:006high25 min
17:003moderate30 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in La Union

During the year, the UV Index experiences significant fluctuations, with the highest risk months spanning from February to October, particularly peaking in April and June at an index of 14. These months are categorized as having extreme exposure, meaning a burn can occur in as little as 10 minutes. As we transition into the later part of the year, the UV Index gradually decreases, dropping to 9 in November and 8 in December, both of which are classified as very high, allowing for a slightly longer burn time of 15 minutes. Visitors and residents should take precautions during the high-risk months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours to mitigate the risk of UV-related health issues.

Monthly Maximum UV Index for La Union, Mexico

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.
JanFebMarAprMayJunJulAugSepOctNovDec911131414131313131298
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 Mexico Cities

The table above highlights how UV exposure in La Union compares to other major locations across Mexico. 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 Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
La Union911131413141313131298
Guadalajara UVI911141414131313131298
Iztapalapa UVI10121415141414141412108
Ecatepec de Morelos UVI10121415151414131412108
Mexico City UVI10121415151414131412108
Puebla UVI10121415151515141413109