UV Index in San Francisco Terrerillos, Mexico

Last updated: August 1, 2025

Staying informed about the UV Index is crucial for the residents and visitors of San Francisco Terrerillos, Mexico, where the sun’s intensity can pose significant risks to skin health. Understanding UV levels is vital for preventing sunburn and reducing the risk of long-term skin damage. Given its Cwb climate, Terrerillos experiences a range of UV exposures, particularly peaking in the late morning and early afternoon hours. The UV Index can soar to a staggering 15 around midday, highlighting the importance of sun safety measures during these hours to protect your skin while enjoying the outdoors.

Hourly UV Index in San Francisco Terrerillos

The UV Index journey throughout the day reveals a striking crescendo of solar intensity. Starting softly at a mere 1 at 07:00, the index gradually rises, hitting 3 by 09:00. As the sun climbs higher, UV levels peak dramatically at 15 from 13:00 to 14:00, marking the day's most intense exposure. This midday surge emphasizes the importance of sun protection, as values hover at 13 and 10 during the afternoon before tapering off in the evening, settling back to 1 by 19:00. The data serves as a compelling reminder to stay vigilant under the sun's powerful rays, especially 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
10:005moderate30 min
11:009very high15 min
12:0012extreme10 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 Francisco Terrerillos

During the year, seasonal UV changes show significant fluctuations, with highest UV levels occurring from February to October. This period includes several high-risk months for sun exposure, particularly from March to October, where the UV Index reaches extreme levels (14-15), with a burn time of just 10 minutes. Conversely, January, November, and December experience very high UV Index ratings (9-10), with longer burn times of 15 minutes. Visitors and residents are strongly advised to take extra precautions during these high-risk months, including wearing protective clothing, applying broad-spectrum sunscreen with an SPF of 30 or higher, and seeking shade during peak hours to minimize the risk of UV-related harm.

Monthly Maximum UV Index for San Francisco Terrerillos, Mexico

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Francisco Terrerillos. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec9121415151515141413108
Data source: Statistical UV Index data for San Francisco Terrerillos, 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 Francisco Terrerillos UV Index with Other Mexico Cities

The table above highlights how UV exposure in San Francisco Terrerillos 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 Francisco Terrerillos'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 Francisco Terrerillos9121415151515141413108
Puebla UVI10121415151515141413109