UV Index in San Juan Petlapa, Mexico

Last updated: June 2, 2025

Understanding the UV Index in San Juan Petlapa, Mexico, is crucial for maintaining your skin health and preventing sunburn. With the region's tropical climate, residents and visitors are exposed to varying UV levels throughout the day, often peaking during mid-afternoon. Recognizing these fluctuations—where the UV Index can soar to as high as 13—empowers you to take proactive measures to protect yourself from harmful sun exposure. By staying informed about UV levels, you can enjoy the beautiful sunny days of San Juan Petlapa while safeguarding your skin for years to come.

Hourly UV Index in San Juan Petlapa

From the early morning hours, the UV Index starts off low at 1 between 07:00 and 08:00, making it a safe time for outdoor activities. As the sun climbs higher, the index spikes dramatically, reaching 6 at 10:00 and peaking at a striking 13 from 13:00 to 14:00. This period calls for extra caution—sunscreen and protective clothing are a must! As the afternoon wanes, the index gradually declines, settling at 4 by 17:00 and returning to 1 by 19:00, making the evening a safer time to enjoy the outdoors. Stay protected and plan your sun exposure wisely!

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	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	13	extreme	10 min
15:00	11	extreme	10 min
16:00	8	very high	15 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in San Juan Petlapa

Throughout the year, UV Index levels display significant seasonal variation, peaking during the spring and summer months. From February to October, the UV Index remains in the extreme category, with the highest readings occurring in May, June, and July at an index of 14. This translates to a burn time of just 10 minutes, indicating a high risk of skin damage. January, November, and December are notable as high-risk months too, with UV Index levels fluctuating between 8 and 9 and a burn time of 15 minutes. Visitors and residents are strongly advised to take necessary precautions, including wearing sunscreen, donning protective clothing, and seeking shade during peak sunlight hours, particularly between February and October when the risk of UV exposure is at its highest.

Monthly Maximum UV Index for San Juan Petlapa, Mexico

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

The table above highlights how UV exposure in San Juan Petlapa 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 Juan Petlapa'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 Juan Petlapa	9	12	13	13	14	14	14	13	13	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