UV Index in La Union, Mexico

Last updated: May 3, 2025

Understanding the UV Index is crucial for anyone living in or visiting La Union, Mexico, where sunny days abound and UV exposure can be intense. The UV levels here can reach a peak of 12 around noon, making it essential to stay informed to prevent sunburn and protect your skin health. With a climate characterized by warm temperatures and high UV radiation, recognizing the times of day when UV rays are strongest will empower you to take proactive measures against skin damage while enjoying the beautiful outdoors. Be equipped with knowledge and enjoy La Union safely!

Hourly UV Index in La Union

As the sun rises, the UV Index starts off low at a manageable 1 from 07:00 to 08:00. However, things heat up quickly as we move into the late morning; by 10:00, it spikes to 5, reaching 8 at 11:00. The peak intensity occurs at 12:00, with an impressive index of 11, closely followed by 12 at 13:00 and 14:00—the sun is at its strongest! A gradual decrease follows, dropping to 10 by 15:00 and continuing down to 4 at 17:00. As the day winds down, the index relaxes further to 2 at 18:00 and returns to a safe 1 by 19:00. It's clear that today's UV risk peaks around midday, so remember to stay protected during those exposed 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	3	moderate	30 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	12	extreme	10 min
15:00	10	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in La Union

Throughout the year, seasonal changes in UV Index reveal notable variations, particularly from January to October. The high-risk months for UV exposure are February to September, where the UV Index consistently falls within the very high to extreme categories, peaking at 13 in June and July. During these months, the recommended burn time drops to just 10 minutes, emphasizing the urgent need for protective measures. Visitors and residents alike are advised to take extra precautions by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sun hours to minimize skin damage and health risks associated with high UV exposure. As the year transitions to October and November, while the UV Index decreases, vigilance is still crucial, as the indices remain very high in these months, with burn times of 15 minutes.

Monthly Maximum UV Index for La Union, Mexico

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

The table above highlights how UV exposure in La Union 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.

La Union'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
La Union	7	10	11	12	12	13	13	12	12	10	8	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