UV Index in Cerro Alto, Mexico

Last updated: June 2, 2025

In Cerro Alto, Mexico, understanding the UV Index is crucial for safeguarding your skin and overall health. With the region's Cwb climate, which boasts warm summers and mild winters, residents and visitors alike face varied UV exposure risks. The UV Index can peak at an intense 14 around midday, significantly increasing the likelihood of sunburn and long-term skin damage. By keeping an eye on UV levels, you can take proactive measures to protect yourself, ensuring that outdoor activities remain enjoyable and safe. Remember, awareness is your best defense against harmful sun exposure!

Hourly UV Index in Cerro Alto

The UV Index throughout the day showcases a notable rise, peaking dramatically at 14 between 12:00 PM and 1:00 PM. Early morning starts off mild, with values of 1 at 7:00 AM and 8:00 AM, gradually increasing to 2 by 9:00 AM. As the sun ascends, the intensity intensifies, hitting 5 by 10:00 AM and surging to 9 by 11:00 AM. By midday, the index reaches a scorching 12, a clear warning to take precautions. As the afternoon progresses, it maintains high levels at 14 until 2:00 PM, before tapering off to 12 at 3:00 PM, then retreating to 9 at 4:00 PM. Finally, the UV Index descends to 3 by 6:00 PM, and concludes the day at a safe 1 by 7:00 PM. Remember, during peak hours, it's crucial to shield your skin from harmful UV rays!

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	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 Cerro Alto

Throughout the year, UV exposure varies significantly, with the highest risk months being March through September, where the UV Index frequently reaches extremes of 13 to 14, indicating a burn time as short as 10 minutes. January and December experience a drop in UV levels, but still pose a risk with indices of 10 and 8, respectively. Residents and visitors are strongly advised to take precautions from February to October, including applying sunscreen, wearing protective clothing, and seeking shade during peak hours to mitigate the risks associated with high UV exposure. Always remember that even on cloudy days, harmful UV rays can penetrate the atmosphere, so protection is essential year-round.

Monthly Maximum UV Index for Cerro Alto, Mexico

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

The table above highlights how UV exposure in Cerro Alto 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.

Cerro Alto'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
Cerro Alto	10	11	13	14	13	14	14	13	14	11	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