UV Index in San Juan Llano Grande, Mexico

Last updated: June 2, 2025

The UV Index is an essential tool for residents and visitors of San Juan Llano Grande, Mexico, helping to safeguard against excessive sun exposure. Understanding UV levels is crucial not just for preventing painful sunburns, but also for maintaining long-term skin health. With a Cwb climate characterized by a mix of mild temperatures and significant UV radiation, particularly during the midday hours, awareness of the UV Index is vital. For instance, as the sun reaches its peak intensity around noon, the UV Index can soar to a striking 14, indicating extreme risk. By keeping an eye on daily UV levels, you can enjoy the beautiful outdoors safely while protecting your skin from harmful effects.

Hourly UV Index in San Juan Llano Grande

At sunrise, the UV Index begins at a safe 1 at 07:00, indicating low levels of ultraviolet radiation. As the morning progresses, it gradually climbs to 3 by 09:00, making sun protection a good idea as we approach midday. The real intensity arrives around 12:00, when the UV Index skyrockets to 13, peaking at 14 by 13:00 and 14:00—conditions that call for extra caution. After this peak, there's a gradual decrease, dropping to 9 by 16:00 and further down to 5 by 17:00, signaling a return to more manageable levels. As the day winds down, the UV Index falls back to 2 by 18:00, finally resting at a low 1 by 19:00. Always remember to protect your skin 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
07:001low45 min
08:001low45 min
09:003moderate30 min
10:006high25 min
11:009very high15 min
12:0013extreme10 min
13:0014extreme10 min
14:0014extreme10 min
15:0012extreme10 min
16:009very high15 min
17:005moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in San Juan Llano Grande

The UV Index exhibits significant seasonal variations, with the highest levels occurring from February to October, where the exposure category is classified as extreme for most of the months. March, April, July, and August have peak UV Index values of 14-15, corresponding to a rapid burn time of just 10 minutes. Consequently, February through October are considered high-risk months for UV exposure, making it essential for visitors and residents to take precautionary measures. It is advisable to wear sunscreen with high SPF, seek shade during peak sun hours, and wear protective clothing to mitigate the risks of overexposure. As November and December approach, the UV levels drop to 10 and 9, respectively, categorizing them as very high, but with longer burn times of 15 minutes. Staying informed and protected year-round is vital for skin health.

Monthly Maximum UV Index for San Juan Llano Grande, Mexico

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Juan Llano Grande. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec10121415141415141412109
Data source: Statistical UV Index data for San Juan Llano Grande, 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 Juan Llano Grande UV Index with Other Mexico Cities

The table above highlights how UV exposure in San Juan Llano Grande 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 Juan Llano Grande's solar exposure compared to other cities in Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Guadalajara UVI911141414131313131298
Iztapalapa UVI10121415141414141412108
Ecatepec de Morelos UVI10121415151414131412108
Mexico City UVI10121415151414131412108
San Juan Llano Grande10121415141415141412109
Puebla UVI10121415151515141413109