UV Index in Zacalaca, Mexico

Last updated: June 2, 2025

In Zacalaca, Mexico, understanding the UV Index is essential for protecting your skin from harmful sun exposure. With peak UV levels soaring as high as 14 around midday, it’s crucial to be aware of how these figures can impact your health, particularly when it comes to preventing sunburn and ensuring long-term skin health. The warm Aw climate of Zacalaca means that UV rays can be intense, even outside of summer months. By keeping an eye on the UV Index, residents and visitors can enjoy the beautiful outdoors while taking the necessary precautions to safeguard against excessive UV exposure.

Hourly UV Index in Zacalaca

The UV Index today showcases a dynamic journey through the hours, beginning with a gentle rise at 07:00 with a safe level of 1. As the sun climbs higher, a noticeable increase brings the index to 4 by 09:00, before peaking at an intense 14 around 13:00. This midday high of 13 is particularly important, signaling a period of significant UV radiation where protective measures are advisable. As the afternoon progresses, the index starts to dip, dropping to 6 by 16:00 and stabilizing at a comfortable 1 by 18:00. This hourly pattern highlights the importance of staying sun-safe during the intensity of the midday sun, while enjoying lower UV levels later in the day.

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	2	low	45 min
09:00	4	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	14	extreme	10 min
14:00	12	extreme	10 min
15:00	9	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Zacalaca

The UV Index shows significant seasonal variation, with high-risk months occurring from March through October where extreme levels dominate, peaking at 14 in June. Visitors and residents should be particularly cautious during these months, where the burn time is as low as 10 minutes under strong sun conditions. In contrast, the UV Index is lower in the winter months, dropping to 8 in January and decreasing to 7 in December, with slightly longer burn times of 15 to 25 minutes. To protect against harmful UV exposure, it is advisable to wear protective clothing, seek shade, and apply broad-spectrum sunscreen regularly, especially from late morning to mid-afternoon during peak UV times.

Monthly Maximum UV Index for Zacalaca, Mexico

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

The table above highlights how UV exposure in Zacalaca 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.

Zacalaca'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
Zacalaca	8	10	13	13	13	14	13	12	12	11	9	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