UV Index in Santo Nombre, Mexico

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors of Santo Nombre, Mexico, especially given the region's Cwb climate, which features moderate temperatures and significant sun exposure. Awareness of UV levels helps prevent sunburn and promotes overall skin health, making it essential to know when UV radiation is at its peak. With indices climbing to as high as 15 in the midday sun, recognizing the potential risks of prolonged exposure is vital to enjoy the beautiful outdoor environment while safeguarding your skin. Stay informed and protect yourself from the sun’s harmful rays!

Hourly UV Index in Santo Nombre

The UV Index throughout the day showcases a dramatic rise and fall, highlighting the intensity of sunlight at different hours. Starting at a mere 1 by 07:00, the index gradually climbs to a moderate 3 by 09:00. However, 10:00 marks the beginning of a significant surge, peaking at an impressive 15 between 13:00 and 14:00. This period of maximum exposure can pose risks; thus, protective measures like sunscreen and hats are advisable. As the sun begins its descent, the UV levels drop sharply, falling back to 6 by 17:00 and returning to 1 by 19:00. Stay mindful of these shifts to enjoy the sun safely!

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	5	moderate	30 min
11:00	9	very high	15 min
12:00	12	extreme	10 min
13:00	14	extreme	10 min
14:00	14	extreme	10 min
15:00	12	extreme	10 min
16:00	9	very high	15 min
17:00	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Santo Nombre

The UV Index exhibits significant seasonal variation, with particularly high levels from February to September, where it consistently reaches extreme levels. The highest recorded UV Index occurs in March, April, May, June, and July at 15, signaling a 10-minute burn time for exposed skin. Visitors and residents should be especially vigilant during these months, taking precautions to protect their skin from potential sunburn and long-term damage. January, November, and December experience slightly lower UV Index values of 10 and 9, categorized as very high, allowing for a slightly longer burn time of 15 minutes. Regardless of the month, it is advisable to wear sunscreen, protective clothing, and sunglasses to ensure safety from harmful UV exposure throughout the year.

Monthly Maximum UV Index for Santo Nombre, Mexico

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Santo Nombre. 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 Santo Nombre, 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 Santo Nombre UV Index with Other Mexico Cities

The table above highlights how UV exposure in Santo Nombre 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.

Santo Nombre'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
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
Santo Nombre	10	12	14	15	15	15	15	14	14	12	10	9