UV Index in Guadalajara, Mexico

Last updated: May 3, 2025

Being mindful of the UV Index is crucial for residents and visitors of Guadalajara, Mexico, where the sun’s rays can be particularly intense due to the region's Cwa climate. Understanding UV levels is essential for preventing sunburn and maintaining long-term skin health, especially during peak hours when the UV Index can soar to a staggering 14 between 1 PM and 2 PM. With its warm climate and high UV exposure risks, knowing how to protect yourself from harmful radiation is vital for enjoying outdoor activities safely in this vibrant city.

Hourly UV Index in Guadalajara

As the day unfolds, the UV Index rises dramatically, beginning with a gentle 0 at 07:00. By 09:00, it reaches a modest 2, but the real intensity kicks in as the sun climbs higher. At 11:00, the index peaks at an impressive 8, and then skyrockets to a maximum of 14 by 14:00. This mid-afternoon zenith signals a critical time for sun safety, with both 12:00 and 13:00 hovering at 11 and 13, respectively. As evening approaches, the UV exposure begins to wane, descending to a comfortable 6 at 17:00, before tapering off to a mere 1 by 19:00. Enjoy the sun, but remember to protect yourself 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
11:008very high15 min
12:0011extreme10 min
13:0013extreme10 min
14:0014extreme10 min
15:0012extreme10 min
16:009very high15 min
17:006high25 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Guadalajara

The UV Index experiences significant seasonal variations, peaking from February to October with particularly high levels from March to October where it reaches extreme levels of 13 to 14, indicating a burn time of just 10 minutes. Notably, the highest UV Index values occur in March, April, and May. As the year progresses towards winter, the UV Index drops, with January and November marking very high exposure levels (UV Index 9) and longer burn times of 15 minutes, while December shows a slight decline to 8. For both residents and visitors, it is crucial to take preventive measures against UV exposure, especially during the high-risk months of February through October, by wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Guadalajara, Mexico

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Guadalajara. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec911141414131313131198
Data source: Statistical UV Index data for Guadalajara, 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 Guadalajara UV Index with Other Mexico Cities

The table above highlights how UV exposure in Guadalajara 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.
Guadalajara's solar exposure compared to other cities in Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Guadalajara911141414131313131298
Iztapalapa UVI10121415141414141412108
Ecatepec de Morelos UVI10121415151414131412108
Mexico City UVI10121415151414131412108
Puebla UVI10121415151515141413109