UV Index in Loma San Juan, Mexico

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Loma San Juan, Mexico, where the climate offers sunshine and warmth throughout the year. High UV levels can lead to sunburn and long-term skin damage, making awareness a key part of your daily routine. With the UV Index soaring to 13 during peak hours, it’s essential to protect your skin from harmful rays. The Cfa climate typical of this region amplifies exposure risks, especially between 10 AM and 3 PM, when UV levels are at their highest. Stay informed and safeguard your skin for a healthier, happier experience in the sun!

Hourly UV Index in Loma San Juan

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 Loma San Juan

Throughout the year, UV index levels dramatically fluctuate, with the highest risk occurring from February to October. The extreme UV Index reaches its peak in June and July at 14, demanding vigilant sun protection measures. During these high-risk months, minimal burn times of just 10 minutes are recorded, signifying that unprotected skin can be harmed in mere moments. January and November experience a slight decrease with a very high UV Index of 9 and a burn time of 15 minutes, while December and October are at 8 and 12 respectively, still warranting caution. Visitors and residents should ensure to apply broad-spectrum sunscreen, wear protective clothing, and seek shade during peak sun hours, particularly between February and October, to safeguard against harmful UV radiation.

Monthly Maximum UV Index for Loma San Juan, Mexico

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

The table above highlights how UV exposure in Loma San Juan 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.

Loma San Juan'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
Loma San Juan	9	11	12	13	13	14	14	13	13	12	9	8
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