UV Index in Santa Catalina de Siena, Mexico

Last updated: June 2, 2025

Understanding the UV Index in Santa Catalina de Siena, Mexico, is crucial for protecting your skin and overall health. With intense sun exposure typical of the BSk climate, being aware of UV levels can help you prevent sunburn and long-term skin damage. The UV index peaks around midday, soaring to a concerning 14, making it essential to take protective measures during these hours. By tracking the UV Index, residents and visitors can enjoy the beautiful Mexican sun safely while prioritizing their skin’s health.

Hourly UV Index in Santa Catalina de Siena

As the sun rises, the UV Index begins to peak at 08:00 with a mild level of 1, slowly climbing through the morning. By 10:00, it has reached 4, signaling the start of a more intense exposure. The 11:00 mark brings a notable jump to 8, but it isn't until 12:00 that the UV Index hits a striking 11—a reminder to protect your skin! The maximum intensity occurs at 14:00, with the Index soaring to 14, making this the most dangerous time for sun exposure. Fortunately, as the afternoon progresses, values start to decline, dropping to 10 by 16:00 and easing further to 4 by 18:00. As evening approaches, the UV Index returns to a modest level of 2 by 19:00, signaling a safer time to enjoy outdoor activities. Stay safe and consider the UV Index throughout the day!

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
15:0013extreme10 min
16:0010very high15 min
17:007high25 min
18:004moderate30 min
19:002low45 min

Monthly UV Index Trends in Santa Catalina de Siena

Throughout the year, UV Index levels show significant seasonal changes, with the highest values occurring from February to October. The months of February through October see consistently extreme UV exposure categories, peaking at 15 in April, indicating a dangerous sun risk with a minimal burn time of just 10 minutes. January and November are classified as very high, with slightly longer burn times of 15 minutes. December has a high index of 7, allowing for 25 minutes of exposure before burning. Visitors and residents should take extra precautions during the high-risk months of February through October by applying sunscreen, wearing protective clothing, and limiting direct sun exposure, especially during midday hours.

Monthly Maximum UV Index for Santa Catalina de Siena, Mexico

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Santa Catalina de Siena. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec811131514141413131197
Data source: Statistical UV Index data for Santa Catalina de Siena, 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 Santa Catalina de Siena UV Index with Other Mexico Cities

The table above highlights how UV exposure in Santa Catalina de Siena 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.
Santa Catalina de Siena's solar exposure compared to other cities in Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Santa Catalina de Siena811131514141413131297
Guadalajara UVI911141414131313131298
Iztapalapa UVI10121415141414141412108
Ecatepec de Morelos UVI10121415151414131412108
Mexico City UVI10121415151414131412108
Puebla UVI10121415151515141413109