UV Index in San Ignacio, Mexico

Last updated: June 2, 2025

Understanding the UV Index in San Ignacio, Mexico, is vital for maintaining your skin health and preventing sunburn. With the region's BSh climate, characterized by long, sunny days, the potential for harmful UV exposure increases, especially during peak hours when the UV Index can soar to a maximum of 13 around midday. By staying informed about local UV levels, you can take proactive measures to protect yourself and enjoy the beautiful outdoor environment safely. Whether you’re exploring the picturesque landscapes or relaxing in the sun, awareness of the UV Index will help you safeguard your skin and enjoy all that San Ignacio has to offer.

Hourly UV Index in San Ignacio

The UV Index throughout the day presents a striking trajectory of rising intensity, peaking at 1 PM with a remarkable 13. Starting with a gentle 1 at 7 AM, the sun's rays gradually become more potent, hitting 10 at 11 AM and soaring to a critical 12 by noon. As the afternoon unfolds, the intensity remains strong, fluctuating between 12 and 9 from 1 PM to 3 PM, before gracefully tapering off. By 5 PM, the UV Index descends to 4, and as the day closes, it winds down to a soft 1 by 7 PM. Stay vigilant during those midday hours to protect your skin from the sun's fierce embrace!

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
08:002low45 min
09:004moderate30 min
10:007high25 min
11:0010very high15 min
12:0012extreme10 min
13:0013extreme10 min
14:0012extreme10 min
15:009very high15 min
16:006high25 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in San Ignacio

Throughout the year, UV index levels exhibit significant seasonal changes, with the months of March through September marked as high-risk periods, characterized by extreme UV levels and short burn times. February reaches a UV index of 9, transitioning into March, which peaks at 11 before soaring to a maximum of 14 in May. Even in the summer months of June to August, the UV index remains at 13. As the fall arrives, levels gradually decline; however, October and November still present very high risk with indices of 10 and 8, respectively. Visitors and residents are strongly advised to take precautions during these months, including wearing sunscreen, utilizing protective clothing, and limiting sun exposure, especially during midday hours when UV radiation is most intense. Regularly checking the UV index can help ensure safe outdoor activities year-round.

Monthly Maximum UV Index for San Ignacio, Mexico

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Ignacio. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec69111314131313121086
Data source: Statistical UV Index data for San Ignacio, 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 Ignacio UV Index with Other Mexico Cities

The table above highlights how UV exposure in San Ignacio 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 Ignacio's solar exposure compared to other cities in Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
San Ignacio69111314131313121086
Guadalajara UVI911141414131313131298
Iztapalapa UVI10121415141414141412108
Ecatepec de Morelos UVI10121415151414131412108
Mexico City UVI10121415151414131412108
Puebla UVI10121415151515141413109