UV Index in Chula Vista, Mexico

Last updated: May 3, 2025

Understanding the UV Index in Chula Vista, Mexico is essential for protecting your skin and maintaining overall health in this sun-soaked climate. With summers characterized by high temperatures and clear skies, Chula Vista often experiences elevated UV levels that can lead to sunburn and long-term skin damage if not carefully monitored. As the UV Index climbs to a peak of 13 around midday, being aware of these levels becomes crucial for outdoor enthusiasts and residents alike. By grasping the significance of UV exposure, you can take proactive measures to enjoy the beautiful Mexican sun while safeguarding your skin health.

Hourly UV Index in Chula Vista

The UV Index throughout the day presents a striking pattern of escalating intensity. Starting off gently at 1 in the early hours of 07:00 and 08:00, the index begins to rise gradually, hitting 2 by 09:00. A rapid surge follows, peaking at an intense 13 between 13:00 and 14:00. This is the moment when the sun’s rays are most potent, with a risky 11 at 12:00 and a notable 12 by 15:00. As the afternoon begins to wane, the UV index drops, settling back to a manageable 6 by 17:00, and later retreating to 3 and 1 as night falls. Stay safe and protect your skin during the 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	1	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	11	extreme	10 min
13:00	13	extreme	10 min
14:00	13	extreme	10 min
15:00	12	extreme	10 min
16:00	9	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 Chula Vista

Throughout the year, UV exposure varies significantly, with the highest risk months occurring from March to September, where the UV Index reaches extreme levels of 11 to 13, resulting in a burn time of just 10 minutes. February and October are categorized as very high exposure months, with burn times of 15 minutes. Visitors and residents should take precautions during these high-risk periods by seeking shade, wearing protective clothing, and using broad-spectrum sunscreen with high SPF. As UV levels decrease in November and December, awareness should still remain, as the index can still be high to very high. Staying informed and proactive can greatly reduce the risk of UV-related health issues.

Monthly Maximum UV Index for Chula Vista, Mexico

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

The table above highlights how UV exposure in Chula Vista 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.

Chula Vista'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
Chula Vista	7	10	11	13	13	13	13	13	12	10	8	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