UV Index in Los Hornos, Mexico

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of Los Hornos, Mexico, where the warm, semi-arid climate brings intense sun exposure throughout the year. Awareness of UV levels is vital not only for preventing painful sunburns but also for protecting long-term skin health. With peak UV readings soaring to a blistering 12 between 12 PM and 1 PM, knowing when to seek shade can make all the difference in enjoying the sun safely. As you explore this vibrant region, keep an eye on the UV Index to safeguard your skin against its harmful effects while relishing the beautiful weather that Los Hornos offers.

Hourly UV Index in Los Hornos

As the sun rises, the UV Index starts off low at 1 by 07:00. However, by 09:00, it climbs rapidly to 6, signaling a shift towards increasing intensity. The peak occurs at 12:00, where the UV Index reaches a significant 12, indicating a high risk of harm from unprotected sun exposure. As the afternoon progresses, values begin to decline, dropping to 9 by 14:00 and tapering off to 4 by 16:00. By the evening hours, the numbers dwindle back down to 1 by 18:00 and remain there until 19:00. Be mindful of the midday sun to protect your skin when the UV levels are at their highest!

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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Los Hornos

Throughout the year, UV index levels exhibit notable seasonal changes, with the highest risk occurring from April through August, when the UV Index peaks at 12—classified as extreme exposure. During these months, the burn time is critically low at just 10 minutes, emphasizing the importance of protection. February and March also present significant risks with a very high UV Index of 8 and 10 respectively, leading to burn times of 15 minutes. Visitors and residents are strongly advised to take precautions during high-risk months, including using sunscreen, wearing protective clothing, and seeking shade, especially when the sun is at its highest. Conversely, the UV Index decreases significantly in the fall and winter months, reaching a moderate level in December, where a burn time of 30 minutes can be expected.

Monthly Maximum UV Index for Los Hornos, Mexico

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

The table above highlights how UV exposure in Los Hornos 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.

Los Hornos'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
Los Hornos	6	8	10	12	12	12	11	12	11	9	7	5
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