UV Index in San Andres, Mexico

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of San Andres, Mexico, where sunlight is abundant and the risk of overexposure is significant. With UV levels peaking at a staggering 14 in the early afternoon, awareness of these harmful rays is essential for preventing sunburn and protecting skin health. This coastal paradise experiences a dry steppe climate (BSk), which means longer, sunnier days—making it even more important to monitor UV exposure and take appropriate precautions. Stay informed and enjoy the sun safely in San Andres!

Hourly UV Index in San Andres

The UV Index today follows a dynamic trend, starting off with low levels early in the morning at 1 from 07:00 to 08:00. By 09:00, it escalates to 2, but the real sun-soaked action kicks in after 10:00, reaching a moderate level of 5. The peak arrives between 12:00 and 14:00, where it soars to an intense 14, signaling a high-risk period for sun exposure. As the afternoon fades, the index gradually declines, hitting 10 at 16:00 before dipping back down to a safe 1 by 19:00. It's crucial to take precautions, particularly during the midday sun, when the UV intensity is at its highest!

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	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	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 Andres

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 Andres, Mexico

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

The table above highlights how UV exposure in San Andres 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 Andres'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 Andres	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