UV Index in Zempoala, Mexico

Last updated: June 2, 2025

In Zempoala, Mexico, awareness of the UV Index is crucial for protecting your skin from the sun's harmful rays. Understanding UV levels is essential not only for preventing painful sunburn but also for maintaining long-term skin health. With a Cfb climate, Zempoala experiences considerable UV exposure, peaking during midday hours with values soaring up to 14. This underscores the importance of staying informed about UV Index readings, ensuring you take necessary precautions to enjoy the outdoors safely while safeguarding your skin against damage.

Hourly UV Index in Zempoala

At sunrise, the UV Index begins at a safe 1 at 07:00, indicating low levels of ultraviolet radiation. As the morning progresses, it gradually climbs to 3 by 09:00, making sun protection a good idea as we approach midday. The real intensity arrives around 12:00, when the UV Index skyrockets to 13, peaking at 14 by 13:00 and 14:00—conditions that call for extra caution. After this peak, there's a gradual decrease, dropping to 9 by 16:00 and further down to 5 by 17:00, signaling a return to more manageable levels. As the day winds down, the UV Index falls back to 2 by 18:00, finally resting at a low 1 by 19:00. Always remember 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	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	13	extreme	10 min
13:00	14	extreme	10 min
14:00	14	extreme	10 min
15:00	12	extreme	10 min
16:00	9	very high	15 min
17:00	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Zempoala

The UV Index exhibits significant variation throughout the year, with the highest values occurring from February to October. Particularly, the months of March, April, and May see a peak UV Index of 15, categorizing these months as extremely high risk for UV exposure, where the burn time is a mere 10 minutes. January and November show a reduction in risk with an index of 9 and 10 respectively, but are still categorized as very high risk, with increased burn times of 15 minutes. Visitors and residents are strongly advised to take precautions during these high-risk months, especially from February through October, by wearing protective clothing, applying sunscreen frequently, and seeking shade during peak sunlight hours to avoid harmful effects of UV radiation.

Monthly Maximum UV Index for Zempoala, Mexico

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

The table above highlights how UV exposure in Zempoala 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.

Zempoala'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
Zempoala	9	12	13	14	15	14	14	14	14	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