UV Index in San Bernardo, Mexico

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in San Bernardo, Mexico, especially given its predominantly Csa climate, which brings intense sun exposure. Knowing the daily UV levels enables you to take essential precautions against sunburn and long-term skin damage, safeguarding your skin health. With peak UV Index values reaching a staggering 12 around noon, awareness of these levels is vital to enjoying the outdoors safely while minimizing the risks associated with high UV exposure. Stay informed and protect yourself from harmful rays when basking in the beautiful sunshine of San Bernardo!

Hourly UV Index in San Bernardo

During the morning hours, the UV Index starts off low at 1 at 7:00 AM, indicating minimal risk of harm from unprotected sun exposure. As the day progresses, the intensity ramps up, peaking at 12 around 12:00 PM and 1:00 PM, suggesting a high risk for harm, especially for those spending extended periods outdoors. Post-peak, the index gradually declines, dropping to 7 at 3:00 PM and further down to 1 by 7:00 PM, which indicates a return to minimal risk as the sun sets. For sun enthusiasts, midday offers the most intense UV radiation, making sun protection essential during those 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	1	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in San Bernardo

The UV Index displays significant seasonal variations, peaking during the warmer months. From February through September, the index frequently reaches high to extreme levels, indicating high-risk months for sun exposure. Notably, April to June experiences an extreme UV Index of 13, necessitating very short burn times of just 10 minutes. Even in March, the UV reaches 10 (very high), with a minimal burn time of 15 minutes. Visitors and residents are strongly advised to take precautions during these months, such as wearing sunscreen, protective clothing, and seeking shade, particularly between 10 AM and 4 PM when UV radiation is most intense. While November and December see a return to high levels with indexes of 7 and 6 (burn times of 25 minutes), the extreme months should be approached with heightened caution.

Monthly Maximum UV Index for San Bernardo, Mexico

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

The table above highlights how UV exposure in San Bernardo 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 Bernardo'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
San Bernardo	6	9	10	13	13	13	12	12	12	10	7	6
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