UV Index in Santiaguillo, Mexico

Last updated: May 3, 2025

In Santiaguillo, Mexico, understanding the UV Index is crucial for the health and well-being of residents and visitors alike. The UV Index provides vital information about sun exposure levels, helping to prevent sunburn and long-term skin damage. With Santiaguillo's Cwb climate characterized by warm temperatures and varying humidity, the potential for high UV exposure peaks around midday, reaching a maximum of 14 at 1 PM. Being aware of these levels allows you to take necessary precautions, ensuring playful afternoons in the sun are safe and enjoyable!

Hourly UV Index in Santiaguillo

The UV Index for the day showcases a dramatic rise in intensity as the sun climbs higher in the sky. Starting from a calm 0 at 07:00, it gradually ticks upward, reaching 1 by 08:00. As the clock strikes 10:00, the UV Index surges to 5, and by 11:00, it climbs to a robust 9. The peak occurs at 13:00 and 14:00, where it hits a thrilling 14—a clear warning for sun protection. As the afternoon wanes, the intensity begins to drop, falling to 9 by 16:00, and further down to 5 at 17:00. The day wraps up with a gentle decline, ending with a low 1 by 19:00. As such, it’s essential to stay vigilant during the peak hours, particularly between 11:00 and 14:00, 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	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Santiaguillo

Throughout the year, seasonal changes in UV Index indicate that visitors and residents should be particularly cautious during the high-risk months of February through October. During this period, the UV Index ranges from 11 to 15, corresponding to an extreme exposure category where the recommended burn time is just 10 minutes. The peak UV Index occurs in April at 15, while it remains consistently high from February to September. Conversely, the UV Index decreases significantly from November to January, falling into a very high category with a burn time of 15 minutes in November and December. It is crucial for individuals to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade, particularly in the spring and summer months when the risk of sunburn is highest.

Monthly Maximum UV Index for Santiaguillo, Mexico

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

The table above highlights how UV exposure in Santiaguillo 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.

Santiaguillo'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
Santiaguillo	9	11	14	15	14	14	14	13	14	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