UV Index in Union Zaragoza, Mexico

Last updated: June 2, 2025

In Union Zaragoza, Mexico, understanding the UV Index is crucial for safeguarding your skin against the sun’s harmful rays. With peak UV levels frequently reaching 14 during midday, awareness of these values can make all the difference in preventing sunburn and maintaining skin health. The region's Am climate contributes to intense sun exposure, particularly in the summer months, making it vital for residents and visitors alike to stay informed about UV risks. By monitoring the UV Index, you can enjoy the beautiful outdoors of Union Zaragoza while protecting yourself from potential skin damage.

Hourly UV Index in Union Zaragoza

Throughout the day, the UV Index exhibits a dramatic rise, peaking during midday. Starting at a gentle 1 at 7:00 AM, it gradually climbs to 3 by 9:00 AM, before surging to an intense 13 by noon. The sun reaches its zenith at 1:00 PM, with a blistering 14, warning outdoor enthusiasts to take extra precautions. As the afternoon progresses, the index begins to decline, dropping to 7 by 4:00 PM, and then tapering further to 2 by 6:00 PM. By 7:00 PM, the day winds down with a safe 1 on the index. Those enjoying the outdoors are reminded to stay protected during the peak hours to avoid harmful UV exposure.

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	7	high	25 min
11:00	10	very high	15 min
12:00	13	extreme	10 min
13:00	14	extreme	10 min
14:00	13	extreme	10 min
15:00	11	extreme	10 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 Union Zaragoza

The UV Index exhibits significant seasonal variations, with the highest levels occurring from February through September. During these months, particularly from March to June, the index reaches an extreme level of 14. This indicates a high risk for sunburn, with a minimal exposure burn time of just 10 minutes. Visitors and residents are strongly advised to take precautionary measures during these months, such as wearing protective clothing, applying high-SPF sunscreen, and seeking shade during peak sun hours. As the year progresses into October and returns to November and December, the UV Index decreases to 12 and 10, respectively, still presenting a very high risk, but with slightly longer burn times of 10 to 15 minutes. Awareness and protection remain crucial, even in the cooler months.

Monthly Maximum UV Index for Union Zaragoza, Mexico

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

The table above highlights how UV exposure in Union Zaragoza 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.

Union Zaragoza'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
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
Union Zaragoza	10	12	14	14	14	14	14	13	14	12	10	9
Puebla UVI	10	12	14	15	15	15	15	14	14	13	10	9