UV Index in Horno de Cal, Mexico

Last updated: June 2, 2025

In Horno de Cal, Mexico, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding the levels of ultraviolet radiation can help you make informed decisions about sun exposure, especially during peak hours when the UV Index reaches a high of 14 around 1 PM and 2 PM. Given the region's semi-arid climate (BSk), the sun's intensity can pose serious risks, making it essential for residents and visitors alike to stay informed and protect their skin. By keeping an eye on the UV levels throughout the day, you can enjoy the beautiful sunshine while minimizing harmful effects, ensuring a safer and healthier outdoor experience.

Hourly UV Index in Horno de Cal

Today’s UV Index shows a dramatic rise in intensity as the sun climbs higher in the sky. Starting with a gentle 1 at 7:00 AM, the index gradually increases, reaching a moderate 3 by 9:00 AM. As the clock strikes 11:00 AM, the UV Index peaks at an intense 12, marking a crucial time for sun safety. The highest reading occurs between 1:00 PM and 2:00 PM, where it reaches an exhilarating 14. As the day progresses, the UV levels begin to wane, dropping to 6 by 5:00 PM and eventually settling back to a 1 by 7:00 PM. Make sure to stay protected during the peak hours when the sun is at its strongest!

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
10:005moderate30 min
11:009very high15 min
12:0012extreme10 min
13:0014extreme10 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 Horno de Cal

Throughout the year, UV exposure varies significantly, with high-risk months from February to October, exhibiting consistently extreme UV Index levels between 11 to 15. Particularly, March to May stand out with the highest index of 15 in May, demanding vigilant sun protection with a minimum burn time of just 10 minutes. As winter approaches, January and February still pose a very high to extreme risk, while November and December see a decrease to very high, with burn times extending to 15 minutes. Visitors and residents are advised to utilize broad-spectrum sunscreen, wear protective clothing, and seek shade, especially during peak UV times, ensuring safety from harmful sun exposure.

Monthly Maximum UV Index for Horno de Cal, Mexico

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Horno de Cal. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec912141415141414141298
Data source: Statistical UV Index data for Horno de Cal, 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 Horno de Cal UV Index with Other Mexico Cities

The table above highlights how UV exposure in Horno de Cal 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.
Horno de Cal's solar exposure compared to other cities in Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Guadalajara UVI911141414131313131298
Horno de Cal911141415141414141298
Iztapalapa UVI10121415141414141412108
Ecatepec de Morelos UVI10121415151414131412108
Mexico City UVI10121415151414131412108
Puebla UVI10121415151515141413109