UV Index in San Jeronimo, Mexico

Last updated: July 2, 2025

In San Jeronimo, Mexico, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With its temperate climate, residents and visitors alike should be aware of the daily UV levels, which can soar to as high as 14 during peak hours. This means that exposure to the sun's harmful rays can be significant, especially between 11 AM and 2 PM when UV radiation is strongest. By staying informed about the UV Index, you can take necessary precautions to protect your skin and enjoy the summer sun safely.

Hourly UV Index in San Jeronimo

The UV Index for today reveals a dramatic escalation of solar intensity as the day progresses. Starting off gently at a mere 1 at 07:00, the index climbs to 12 by noon, peaking at 14 during the early afternoon—a cautionary reminder to seek shade and apply sunscreen. As the hours pass, the intensity gradually declines, hitting 6 by 17:00 and slipping back to 1 by 19:00. With the sun's rays reaching their zenith around midday, it's essential to protect your skin during those peak hours for a safe and enjoyable day outdoors.

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	13	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 San Jeronimo

The UV Index exhibits significant seasonal variation, with the highest levels recorded from February to October, peaking at 15 in May. This period is classified as having an extreme exposure category, where even short sun exposure can lead to skin damage in just 10 minutes. High-risk months include February through October, with particularly intense UV radiation from March to September. Residents and visitors should take precautionary measures, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours. In the higher-risk months, it is essential to remain vigilant about sun safety to minimize the risk of harmful UV exposure. As the year progresses into November and December, the UV Index decreases, but caution is still advised, especially during the bright sunny days.

Monthly Maximum UV Index for San Jeronimo, Mexico

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

The table above highlights how UV exposure in San Jeronimo 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 Jeronimo'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
San Jeronimo	9	11	14	14	15	14	14	14	14	12	10	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