UV Index in La Ascension, Mexico

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in La Ascension, Mexico, where the sunny climate can lead to significant ultraviolet (UV) exposure. With UV levels peaking at a staggering 14 from 1 PM to 2 PM, awareness becomes vital for preventing sunburn and protecting skin health. Regularly checking UV levels can help you make informed decisions about outdoor activities, ensuring you enjoy the beautiful weather while minimizing your risk of skin damage. In the BSh climate zone, where warm, dry conditions prevail, staying vigilant about UV exposure is essential for maintaining your well-being.

Hourly UV Index in La Ascension

As the sun rises, the UV Index starts off gently, peaking at 1 by 08:00. However, as the day progresses, the intensity ramps up significantly. By 10:00, the index reaches 5, but the real heat kicks in at 12:00, soaring to an intense 11. The peak occurs at 14:00, where it hits a blistering 14—a clear signal to seek shade and protect your skin. After this, the index begins to drop, settling at 12 by 15:00 and gradually descending to 3 by 18:00. As twilight approaches, the UV levels ease back to 1 by 19:00, marking a dramatic contrast to the midday sun's peak. Stay vigilant and wear sun protection during these critical 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	2	low	45 min
10:00	5	moderate	30 min
11:00	8	very high	15 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 La Ascension

Throughout the year, seasonal UV changes exhibit a significant variation, peaking during the late spring and summer months. The high-risk months for UV exposure are March to October, where the UV Index often reaches extreme levels (12-14), indicating a very short burn time of just 10 minutes. Notably, April through August are the peak months, consistently maintaining a UV Index of 14. Residents and visitors are strongly advised to take precautionary measures during these months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade whenever possible to minimize the risk of skin damage. With lower UV levels in November and December, safety measures should still be observed, especially during February and March, making it crucial for everyone to stay informed and protected year-round.

Monthly Maximum UV Index for La Ascension, Mexico

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

The table above highlights how UV exposure in La Ascension 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.

La Ascension'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
La Ascension	8	10	12	14	14	13	14	14	13	12	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