UV Index in Texas, Mexico

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Texas and Mexico, where the sun shines brightly, often leading to high UV exposure. Knowing the daily UV levels helps in effectively preventing sunburn and protecting skin health, especially under the intense midday sun where the index can soar to 15. With a BSk climate, Texas experiences significant risks, particularly from late morning to early afternoon when UV rays are at their strongest. Stay informed about the UV Index to enjoy the outdoors safely while keeping your skin protected!

Hourly UV Index in Texas

As the sun rises, the UV Index starts at a mild 1 at 7:00 AM, urging early risers to enjoy the gentle rays. By 9:00 AM, it climbs to 2, inviting a leisurely morning outside. However, by 10:00 AM, the intensity spikes to 5, signaling a need for sun protection. The afternoon takes center stage, with the index peaking at a blistering 15 between 1:00 PM and 2:00 PM—the time for serious sun safety measures! As we move into the late afternoon, the UVI gradually declines; it drops to 9 by 4:00 PM and continues to fall to 3 at 6:00 PM. As dusk approaches, the index settles back to 1, offering a gentle reminder of the sun's powerful presence throughout 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	1	low	45 min
09:00	2	low	45 min
10:00	5	moderate	30 min
11:00	9	very high	15 min
12:00	12	extreme	10 min
13:00	15	extreme	10 min
14:00	15	extreme	10 min
15:00	13	extreme	10 min
16:00	9	very high	15 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Texas

The UV Index exhibits significant seasonal variation, with the highest levels recorded from February to October, peaking at 15 in May. This period is classified as having an extreme exposure category, where even short sun exposure can lead to skin damage in just 10 minutes. High-risk months include February through October, with particularly intense UV radiation from March to September. Residents and visitors should take precautionary measures, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours. In the higher-risk months, it is essential to remain vigilant about sun safety to minimize the risk of harmful UV exposure. As the year progresses into November and December, the UV Index decreases, but caution is still advised, especially during the bright sunny days.

Monthly Maximum UV Index for Texas, Mexico

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

The table above highlights how UV exposure in Texas 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.

Texas'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
Texas	9	11	14	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