UV Index in San Cristobal, Mexico

Last updated: July 2, 2025

In San Cristobal, Mexico, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels is essential for preventing sunburn and long-term skin damage, especially in this region where the climate is classified as BSk—which means sunny days and higher UV exposure. With peak UV levels reaching an intense 14 around midday, it's vital to stay informed and take appropriate measures, such as applying sunscreen and seeking shade during those hours. Stay safe under the sun and make the most of your time in this beautiful area!

Hourly UV Index in San Cristobal

As the day unfolds, the UV Index rises dramatically, beginning with a gentle 0 at 07:00. By 09:00, it reaches a modest 2, but the real intensity kicks in as the sun climbs higher. At 11:00, the index peaks at an impressive 8, and then skyrockets to a maximum of 14 by 14:00. This mid-afternoon zenith signals a critical time for sun safety, with both 12:00 and 13:00 hovering at 11 and 13, respectively. As evening approaches, the UV exposure begins to wane, descending to a comfortable 6 at 17:00, before tapering off to a mere 1 by 19:00. Enjoy the sun, but remember to protect yourself 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.
Time	UVI	Category	Time to Burn
07:00	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	8	very high	15 min
12:00	11	extreme	10 min
13:00	13	extreme	10 min
14:00	14	extreme	10 min
15:00	12	extreme	10 min
16:00	9	very high	15 min
17:00	6	high	25 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in San Cristobal

Throughout the year, the UV Index displays significant seasonal variations, peaking between March and October with extreme levels recorded from February to October. The highest UV Index occurs in April and May at 15, where the burn time is as little as 10 minutes. January experiences a very high UV Index of 9, while November and December see a decline to 10 and 8 respectively, returning to very high levels with a longer burn time of 15 minutes. Visitors and residents should exercise caution during high-risk months, particularly from February to October, and take protective measures such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours when UV radiation is most intense.

Monthly Maximum UV Index for San Cristobal, Mexico

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Cristobal. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for San Cristobal, 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 Cristobal UV Index with Other Mexico Cities

The table above highlights how UV exposure in San Cristobal 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 Cristobal's solar exposure compared to other cities in Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Guadalajara UVI	9	11	14	14	14	13	13	13	13	12	9	8
San Cristobal	9	11	14	15	15	14	13	14	14	12	10	8
Iztapalapa UVI	10	12	14	15	14	14	14	14	14	12	10	8
Ecatepec de Morelos UVI	10	12	14	15	15	14	14	13	14	12	10	8
Mexico City UVI	10	12	14	15	15	14	14	13	14	12	10	8
Puebla UVI	10	12	14	15	15	15	15	14	14	13	10	9