UV Index in Casa Blanca, Mexico

Last updated: August 1, 2025

Understanding the UV Index in Casa Blanca, Mexico, is crucial for safeguarding your skin against the damaging effects of the sun. With its dry climate and high-altitude conditions typical of a BSk zone, the region is exposed to intensified ultraviolet radiation, particularly during peak hours. Knowledge of UV levels is essential not just for preventing sunburn, but also for maintaining long-term skin health. As you plan your outdoor activities, be mindful of the UV Index, which peaks at a staggering 14 around noon, reminding residents and visitors alike to take essential sun protection measures.

Hourly UV Index in Casa Blanca

The UV Index for today showcases a dynamic rise and fall in sunlight intensity throughout the hours. Starting from a low of 0 at 07:00, the index gradually increases to 1 at 08:00, and by 09:00, it reaches 2—a hint of what’s to come. As the sun climbs higher in the sky, the UV Index takes a notable leap, peaking at an intense 14 during both 13:00 and 14:00, signaling the need for sun protection. The intensity begins to wane after 15:00, descending to 10 by 16:00, and further slipping to 3 at 18:00. As evening approaches, the index tapers off to 1 by 19:00, wrapping up a day filled with varying UV exposure. Don’t forget to take care of your skin during those midday 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	13	extreme	10 min
16:00	10	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 Casa Blanca

The UV Index exhibits significant seasonal variability, peaking between March and October, where the levels frequently remain in the extreme category. The highest UV Index occurs in May at 15, indicating a burn time of just 10 minutes. The months from February to October are particularly high-risk, with March through October consistently showing extreme exposure. During these months, it’s crucial for visitors and residents to take precautions, such as wearing broad-spectrum sunscreen and protective clothing, and seeking shade during peak sun hours. Conversely, November and December see a slight reduction in risk, with a UV Index of 10 and 8 respectively, though caution is still advised due to the very high exposure levels.

Monthly Maximum UV Index for Casa Blanca, Mexico

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

The table above highlights how UV exposure in Casa Blanca 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.

Casa Blanca'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
Casa Blanca	8	11	13	14	15	14	14	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