UV Index in San Bartolo, Mexico

Last updated: June 2, 2025

In San Bartolo, Mexico, understanding the UV Index is crucial for protecting yourself from harmful sun exposure. The UV Index—especially high between 11 AM and 2 PM, peaking at 13—indicates the strength of ultraviolet radiation, which can lead to painful sunburns and long-term skin health issues. Given the area's BSh climate, San Bartolo experiences intense sun exposure that elevates the risk of UV-related harm, making it essential for residents and visitors alike to stay informed and take preventive measures. By monitoring UV levels, you can enjoy the beautiful sun without compromising your skin's health!

Hourly UV Index in San Bartolo

As the sun rises, the UV Index begins at a gentle 1 at 07:00, gradually climbing as the day unfolds. By 10:00, it reaches a moderate 5, signaling outdoor enthusiasts to take note. The peak of the day arrives at 12:00 with a blistering 11, quickly followed by an even more intense 13 at 13:00 and 14:00. As afternoon wanes, the UV levels dip, dropping to 9 by 16:00 and further to 5 by 17:00. The evening sees a gentle decline, with the index falling back to 3 at 18:00 and concluding the day at a safe 1 by 19:00. It's crucial to protect your skin during those 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	5	moderate	30 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in San Bartolo

Throughout the year, seasonal UV changes indicate significant variability in exposure risk. The high-risk months are from March to October, where the UV Index reaches extreme levels, peaking at 14 in both May and July, with burn times of just 10 minutes. January and February also present high risks with very high ratings of 8 and 10, but burn times extend to 15 minutes. As the year progresses, UV exposure diminishes in November (UV Index 9) and December (UV Index 7), where the burn time increases to 15 minutes and 25 minutes, respectively. Visitors and residents are advised to take precautionary measures during the high-risk months by wearing protective clothing, applying sunscreen, and seeking shade when outdoors, especially during midday hours when the sun's rays are most intense.

Monthly Maximum UV Index for San Bartolo, Mexico

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

The table above highlights how UV exposure in San Bartolo 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 Bartolo'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 Bartolo	8	10	13	13	14	13	14	13	13	12	9	7
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