UV Index in San Bernardo, Mexico

Last updated: June 2, 2025

Awareness of the UV Index in San Bernardo, Mexico is crucial for safeguarding your skin and overall health under the sun. As a region characterized by its Csa climate, San Bernardo experiences significant sun exposure, particularly during the peak hours when UV levels soar to a maximum of 13 around noon. Understanding these levels is essential not only for preventing painful sunburns but also for minimizing long-term skin damage. With a constant risk of heightened UV radiation, staying informed about the daily UV changes can empower you to enjoy the outdoors safely while taking necessary precautions for your skin health.

Hourly UV Index in San Bernardo

The UV Index presents a vibrant dance of intensity throughout the day. Starting at a mild 2 by 7:00 AM, the index gradually climbs, hitting a moderate 3 by 8:00 AM. As the sun ascends higher, the UV intensity spikes dramatically, reaching its peak at 12:00 PM with a striking 13. This marks the most hazardous period, urging outdoor enthusiasts to take precautions. Following noon, the UV Index begins to taper off; it drops to 10 by 2:00 PM, then gracefully declines to a more manageable 2 by 5:00 PM. As the day winds down, the UV Index settles at a gentle 1 by 7:00 PM, making for safer evening activities. Whether basking in midday sunlight or enjoying a twilight stroll, awareness of these UV changes ensures safe outdoor enjoyment.

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
08:003moderate30 min
09:006high25 min
10:009very high15 min
11:0012extreme10 min
12:0013extreme10 min
13:0012extreme10 min
14:0010very high15 min
15:007high25 min
16:004moderate30 min
17:002low45 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in San Bernardo

The UV Index displays significant seasonal variations, peaking during the warmer months. From February through September, the index frequently reaches high to extreme levels, indicating high-risk months for sun exposure. Notably, April to June experiences an extreme UV Index of 13, necessitating very short burn times of just 10 minutes. Even in March, the UV reaches 10 (very high), with a minimal burn time of 15 minutes. Visitors and residents are strongly advised to take precautions during these months, such as wearing sunscreen, protective clothing, and seeking shade, particularly between 10 AM and 4 PM when UV radiation is most intense. While November and December see a return to high levels with indexes of 7 and 6 (burn times of 25 minutes), the extreme months should be approached with heightened caution.

Monthly Maximum UV Index for San Bernardo, Mexico

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Bernardo. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec69101313131212121076
Data source: Statistical UV Index data for San Bernardo, 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 Bernardo UV Index with Other Mexico Cities

The table above highlights how UV exposure in San Bernardo 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.
San Bernardo's solar exposure compared to other cities in Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
San Bernardo69101313131212121076
Guadalajara UVI911141414131313131298
Iztapalapa UVI10121415141414141412108
Ecatepec de Morelos UVI10121415151414131412108
Mexico City UVI10121415151414131412108
Puebla UVI10121415151515141413109