UV Index in Los Altos, Mexico

Last updated: May 3, 2025

Understanding the UV Index is essential for residents and visitors of Los Altos, Mexico, where the combination of high altitude and a temperate climate can lead to increased sun exposure. Keeping track of UV levels is crucial for sunburn prevention and maintaining skin health. With UV Index values peaking at 12 during midday hours, the risk of harmful effects from the sun can escalate rapidly. Being aware of these levels helps ensure that you enjoy the sunny, pleasant climate of Los Altos while protecting yourself from potential skin damage.

Hourly UV Index in Los Altos

As the day unfolds, the UV Index begins low in the morning, peaking sharply around 12:00 PM with a striking 11. From there, it maintains a high level, reaching a maximum of 12 at 1:00 PM, before gradually falling as the afternoon progresses. By 3:00 PM, it dips to 9, signaling a decline in intensity. As evening approaches, the index returns to a more manageable 2 by 6:00 PM, ultimately settling at 1 as the sun sets. Remember to protect your skin, especially during those peak hours when the UV intensity reaches its highest levels!

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	3	moderate	30 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 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 Los Altos

The UV index varies significantly throughout the year, peaking during the summer months. From January (UV Index 7) to December (UV Index 7), the region experiences a range of exposure categories, with the most crucial high-risk months being February through September, where the UV index reaches extreme levels of 11 to 13. During these months, burn time drops to as little as 10 minutes, indicating the urgent need for protective measures like sunscreen, hats, and sunglasses. Visitors and residents should take special care to limit direct sun exposure, especially between March and August, when it is at its highest and most dangerous, ensuring they remain safe while enjoying outdoor activities.

Monthly Maximum UV Index for Los Altos, Mexico

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

The table above highlights how UV exposure in Los Altos 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.

Los Altos'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
Los Altos	7	10	11	12	12	12	13	12	12	10	8	7
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