UV Index in San Jose de la Flores, Mexico

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors of San Jose de la Flores, Mexico, where the climate can elevate your exposure to harmful ultraviolet radiation. The UV Index provides essential information on sun intensity levels, helping you take proactive measures to prevent painful sunburn and maintain skin health. With peak UV levels in this region reaching as high as 13 around midday, it's particularly important to remain vigilant against sun damage, especially during the warmer months. By being aware of the UV Index, you can enjoy the beautiful Mexican sun while keeping your skin safe from its risks.

Hourly UV Index in San Jose de la Flores

At sunrise, the UV Index remains low at 1 from 7:00 AM to 9:00 AM, making it a safe time for early outdoor activities. However, as the sun climbs higher, expect a notable increase at 10:00 AM with a UV Index of 5, signaling the need for caution. The intensity peaks spectacularly at 12:00 PM with a striking 11, reflecting the sun's zenith and urging sun protection measures. The afternoon sees an even sharper rise, reaching a maximum UV Index of 13 at 2:00 PM, where sun safety becomes paramount. As the day progresses, the index gradually declines, dipping back to 5 by 5:00 PM and tapering off to 1 by sunset at 7:00 PM. Enjoy the sunshine, but don’t forget to stay protected 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
07:000low45 min
08:001low45 min
09:002low45 min
10:004moderate30 min
11:007high25 min
12:0010very high15 min
13:0012extreme10 min
14:0013extreme10 min
15:0011extreme10 min
16:008very high15 min
17:005moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in San Jose de la Flores

As the seasons change, the UV Index fluctuations indicate varying levels of solar intensity, with high to extreme risk occurring primarily from February to September. March through August sees the highest UV Index values, peaking at 13 in July and August, representing an extreme exposure category where burn time is limited to just 10 minutes. Notably, visitors and residents should be particularly vigilant during these months and take protective measures such as wearing sunscreen, covering up, and seeking shade to mitigate the risks of sun damage. As the year progresses into late fall and winter, UV levels decrease, with the lowest values in December, but caution is still advised, particularly since even moderate UV exposure can be harmful.

Monthly Maximum UV Index for San Jose de la Flores, Mexico

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Jose de la Flores. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec79111212121313121086
Data source: Statistical UV Index data for San Jose de la Flores, 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 Jose de la Flores UV Index with Other Mexico Cities

The table above highlights how UV exposure in San Jose de la Flores 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 Jose de la Flores's solar exposure compared to other cities in Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
San Jose de la Flores79111212121313121086
Guadalajara UVI911141414131313131298
Iztapalapa UVI10121415141414141412108
Ecatepec de Morelos UVI10121415151414131412108
Mexico City UVI10121415151414131412108
Puebla UVI10121415151515141413109