UV Index in Texas, Mexico

Last updated: June 2, 2025

In Texas and Mexico, being aware of the UV Index is crucial for protecting your skin from harmful sun exposure. Understanding UV levels helps prevent sunburn and long-term skin health issues, ensuring you enjoy the sunshine safely. With the region’s Cwb climate, which features ample sunlight, the UV Index can reach alarming highs—peaking at 14 during midday hours. This means that taking proactive measures, like wearing sunscreen or seeking shade, is essential for anyone enjoying the outdoors in these sun-soaked states. Stay informed and safeguard your skin against excessive UV exposure!

Hourly UV Index in Texas

As the day unfolds, the UV Index reveals an intriguing pattern of intensity. At 7 AM and 8 AM, it remains low at 1, perfect for a leisurely morning stroll. But by 9 AM, it begins to rise sharply, reaching a 3. The sun takes center stage around 10 AM, as the index jumps to 6, ramping up to a peak of 14 by 1 PM and 2 PM, marking the height of midday sun exposure. As the clock ticks towards late afternoon, the UV Index starts to decline: 12 at 3 PM, followed by 9 at 4 PM, gradually fading to 3 by 6 PM, and then settling back to 1 as the sun sets at 7 PM. It's a vital reminder to stay protected 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.
TimeUVICategoryTime to Burn
07:001low45 min
08:001low45 min
09:003moderate30 min
10:006high25 min
11:009very high15 min
12:0013extreme10 min
13:0014extreme10 min
14:0014extreme10 min
15:0012extreme10 min
16:009very high15 min
17:006high25 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Texas

The UV Index in the region exhibits significant seasonal fluctuations, peaking from February to October, with extremely high levels reached in March, April, May, June, July, August, and September, where the UV Index consistently registers at 14 to 15. These months carry a burn time of just 10 minutes, indicating a critical risk for sunburn and skin damage. Conversely, during January, November, and December, the UV Index falls to levels classified as very high (9 to 10), allowing for slightly longer exposure times of 15 minutes. Visitors and residents should exercise caution during the high-risk months (February through October), ensuring the use of sunscreen, protective clothing, and seeking shade during peak hours to safeguard against UV radiation.

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.
JanFebMarAprMayJunJulAugSepOctNovDec9121415151414141412108
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.
 JanFebMarAprMayJunJulAugSepOctNovDec
Guadalajara UVI911141414131313131298
Iztapalapa UVI10121415141414141412108
Ecatepec de Morelos UVI10121415151414131412108
Mexico City UVI10121415151414131412108
Texas9121415151414141412108
Puebla UVI10121415151515141413109