UV Index in San Luis de Custique, Mexico

Last updated: August 1, 2025

Understanding the UV Index in San Luis de Custique, Mexico, is essential for protecting your skin in this sun-drenched region. With an arid climate (BSk) that features high UV exposure, knowing the UV levels each day can help you prevent sunburn and safeguard your long-term skin health. During peak hours, particularly between 12 PM and 2 PM, the UV Index can soar to extreme levels, reaching up to 14—making it crucial to take precautions. Staying informed about UV trends can empower residents and visitors alike to enjoy the beautiful outdoors while minimizing the risk of harmful UV effects.

Hourly UV Index in San Luis de Custique

During the day, the UV Index experiences a dramatic rise, starting at 0 at 7:00 AM and reaching its peak of 14 by 2:00 PM. The ascent is gradual, with values climbing from 1 at 8:00 AM and hitting 4 by 10:00 AM. As the sun reaches its zenith, the intensity of UV rays intensifies, soaring to 11 at 12:00 PM and peaking at 13 by 1:00 PM. However, after 2:00 PM, a notable decline begins, with the index dropping steadily to 6 at 5:00 PM, and further dwindling to 1 by 7:00 PM. It's a classic example of nature’s cycle, showcasing the importance of sun protection during 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	7	high	25 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	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 San Luis de Custique

The UV Index demonstrates significant seasonal changes, peaking during the late spring and summer months. From January to March, the index starts high but quickly escalates, reaching its maximum of 15 in both April and May. The months of February to October pose the highest risk, with an extreme exposure category, where the burn time is notably short at 10 minutes. Visitors and residents should be particularly vigilant during these high-risk months, especially from February to October, and adopt protective measures such as wearing sunscreen, hats, and protective clothing. As we approach the fall and winter months, the UV risk decreases but remains notably high in November and December. It is essential to stay informed and protect your skin year-round.

Monthly Maximum UV Index for San Luis de Custique, Mexico

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

The table above highlights how UV exposure in San Luis de Custique 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 Luis de Custique'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 Luis de Custique	9	11	14	15	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