UV Index in Saltillo, Mexico

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Saltillo, Mexico, where the sun's rays can be particularly intense due to its semi-arid climate. With UV levels peaking at 14 during midday, awareness of these numbers is essential for preventing sunburn and protecting skin health. As outdoor activities are popular in this vibrant city, knowing when to seek shade and how to best shield oneself from harmful rays can make a significant difference in your overall well-being. Stay informed and enjoy the sunny days in Saltillo safely!

Hourly UV Index in Saltillo

During the early morning hours, the UV Index starts off low, peaking at only 1 at both 7:00 and 8:00. As the day progresses, sunlight intensifies, and by 9:00, the index jumps to 4. The sun reaches its zenith from 11:00 to 14:00, where the UV Index soars to a staggering 14 at 13:00, indicating extremely high levels of solar radiation. As afternoon turns to evening, the index gradually declines, dropping to 11 at 15:00, then down to 4 by 17:00 and finally waning to 1 again by 19:00. It's essential to stay protected during those peak hours, particularly between 11:00 and 14:00, when the sun's rays are at their most powerful!

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	1	low	45 min
08:00	1	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	14	extreme	10 min
14:00	13	extreme	10 min
15:00	11	extreme	10 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Saltillo

Throughout the year, the UV Index in this region exhibits significant seasonal changes, with high-risk months predominantly from January to October. Notably, from March to June, the UV Index peaks at 15, categorized as extreme, signifying that unprotected skin can burn in as little as 10 minutes. February and March see the highest readings—reaching 13 and 15, respectively—while August and September maintain a high index at 14. As a result, it is crucial for visitors and residents to take adequate precautions during these months, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours when UV exposure is most intense. In contrast, while December presents a slightly lower risk with a UV Index of 10, it is still advisable to remain vigilant.

Monthly Maximum UV Index for Saltillo, Mexico

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

The table above highlights how UV exposure in Saltillo 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.

Saltillo'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
Saltillo	11	13	15	15	15	15	15	14	14	13	11	10