UV Index in Union de Tula, Mexico

Last updated: May 3, 2025

Understanding the UV Index is essential for residents and visitors in Union de Tula, Mexico, where the sun's rays can be particularly intense due to the region's Cwa climate. With peak UV levels soaring to 14 in the afternoon, awareness of these daily fluctuations can play a crucial role in preventing sunburn and protecting skin health. By familiarizing yourself with the UV Index, you can take proactive measures to minimize exposure during the highest risk hours, ensuring that your outdoor activities remain safe and enjoyable under the sun.

Hourly UV Index in Union de Tula

The UV Index throughout the day showcased a striking curve, starting at 0 at 7:00 AM and gradually rising as the sun climbed higher in the sky. By 10:00 AM, it reached 4, signaling the need for some sun protection. The index peaked at 14 between 2:00 PM and 3:00 PM, marking a high point in solar intensity where caution is essential. As the afternoon waned, values dropped back down, hitting 6 by 5:00 PM and gently descending to 1 by 7:00 PM. Overall, the 12:00 to 2:00 PM window was the most critical for safeguarding against harmful UV exposure. Remember to prioritize sun safety during these 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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	7	high	25 min
12:00	11	extreme	10 min
13:00	13	extreme	10 min
14:00	14	extreme	10 min
15:00	12	extreme	10 min
16:00	9	very high	15 min
17:00	6	high	25 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Union de Tula

Throughout the year, the UV Index displays significant seasonal variations, with the highest levels occurring from February to September. During these months, particularly March through May and September, the UV Index peaks at 14, placing them in the extreme exposure category with a burn time of just 10 minutes. The high-risk months are thus centered around early spring through late summer, where the intense UV radiation necessitates vigilant sun protection. Residents and visitors are strongly advised to take precautions during these months by wearing broad-spectrum sunscreen, protective clothing, and sunglasses, and by seeking shade, especially during peak hours. In contrast, from November to January, while the UV Index decreases, caution remains advisable during the very high levels observed at the year’s start and end, which still pose a risk for skin damage with burn times of 15 minutes.

Monthly Maximum UV Index for Union de Tula, Mexico

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

The table above highlights how UV exposure in Union de Tula 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 de Tula'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
Union de Tula	9	11	14	14	14	14	13	13	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