UV Index in Chula Vista, Mexico

Last updated: July 2, 2025

Understanding the UV Index in Chula Vista, Mexico is crucial for protecting your skin and overall health. With its warm, arid climate, the sun's rays can pose significant risks, especially during the peak hours of midday when the UV Index reaches a high of 13. Staying informed about UV levels helps you prevent sunburn, reduce the risk of skin damage, and enjoy outdoor activities safely. By understanding these crucial metrics, you can make educated decisions about sun protection, ensuring a healthy and enjoyable experience in the beautiful sunshine of Chula Vista.

Hourly UV Index in Chula Vista

This hour-by-hour UV Index data reveals a striking pattern throughout the day. Starting off gently at 1 at 07:00 and 08:00, the intensity begins to rise gradually, reaching 2 by 09:00. The sun's rays become increasingly potent as the clock ticks, hitting 4 at 10:00 before skyrocketing to 7 at 11:00. The peak occurs in the early afternoon, with a scorching 10 at 12:00 and reaching an intense 13 at 14:00. Following this zenith, the UV Index begins to taper off, descending to 12 by 15:00, then dropping to 9 at 16:00. As the day cools, the UVI continues to decline, finding itself at 3 by 18:00 and returning to a more manageable 1 at 19:00. In summary, the UV exposure is highest between 11:00 and 14:00, making those hours critical for sun safety.

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	4	moderate	30 min
11:00	7	high	25 min
12:00	10	very high	15 min
13:00	12	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