UV Index in Mexico City, Mexico

Last updated: May 3, 2025

Understanding the UV Index in Mexico City is crucial for safeguarding your skin and overall health. With high UV levels peaking around midday—reaching an intense 15—awareness of these fluctuations can help you prevent sunburn and long-term skin damage. Mexico City’s high-altitude climate, characterized by clear skies and strong sunlight, amplifies exposure risks, especially between 10 AM and 2 PM. By staying informed about UV levels, you can enjoy the vibrant outdoor life of this bustling metropolis while protecting your skin from harmful rays.

Hourly UV Index in Mexico City

The UV Index data paints a vibrant picture of sunlight intensity throughout the day. Beginning with a mild UVI of 1 at 7:00 AM, the day starts gently, gradually climbing to 3 by 9:00 AM. However, as the sun reaches its zenith, the UVI skyrockets, peaking at an intense 15 between 1:00 PM and 2:00 PM. During these hours, it's crucial to take protective measures against harmful UV rays. As the sun begins to set, the index dips, dropping to 5 by 5:00 PM and returning to a safer 1 by 7:00 PM. This fluctuation highlights the importance of staying sun-smart during peak hours, especially between 11:00 AM and 2:00 PM when the UVI is at its highest.

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
09:003moderate30 min
10:006high25 min
11:0010very high15 min
12:0013extreme10 min
13:0015extreme10 min
14:0015extreme10 min
15:0013extreme10 min
16:009very high15 min
17:005moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Mexico City

The UV Index experiences significant seasonal changes, with the highest readings occurring from February to September, where the index reaches extreme levels of 12 to 15. March through October are identified as particularly high-risk months, with the burn time consistently dropping to just 10 minutes, emphasizing the need for protective measures. As summer approaches, residents and visitors are strongly advised to take precautions such as wearing sunscreen, protective clothing, and seeking shade during peak hours to minimize skin damage. Come November and December, the UV Index decreases to 10 and 8 respectively, but caution is still recommended as the exposure remains categorized as very high. Always prioritize sun safety to ensure a healthy experience outdoors.

Monthly Maximum UV Index for Mexico City, Mexico

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Mexico City. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151414131412108
Data source: Statistical UV Index data for Mexico City, 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 Mexico City UV Index with Other Mexico Cities

The table above highlights how UV exposure in Mexico City 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.
Mexico City's solar exposure compared to other cities in Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Guadalajara UVI911141414131313131298
Iztapalapa UVI10121415141414141412108
Mexico City10121415151414131412108
Ecatepec de Morelos UVI10121415151414131412108
Puebla UVI10121415151515141413109