UV Index in Ostoyahualco, Mexico

Last updated: July 2, 2025

In Ostoyahualco, Mexico, understanding the UV Index is essential for protecting your skin from harmful sun exposure. With UV levels peaking at a high 14 during midday, awareness can help you prevent sunburn and long-term skin damage, ensuring your outdoor activities remain enjoyable and safe. The region's Aw climate brings plenty of sunshine, but with that comes the risk of elevated UV exposure, particularly during the late morning and early afternoon hours. Stay informed about the UV Index to safeguard your skin health and make the most of the beautiful weather Ostoyahualco has to offer!

Hourly UV Index in Ostoyahualco

As the sun rises, the UV Index begins at a moderate level of 0 at 7:00 AM. By 8:00 AM, it climbs to 1, indicating a low risk for sunburn. The intensity increases steadily, reaching 5 by 10:00 AM, where precautions start to become advisable. The peak arrives startlingly at 12 PM, with a significant UV Index of 12, marking a high risk of harm from unprotected sun exposure. From 1 PM to 2 PM, the index remains at its highest, 14, urging outdoor enthusiasts to seek shade or wear protective gear. A gradual decline begins by 3 PM with 13, tapering off to 6 by 5 PM. As the afternoon transitions into evening, the UV Index lowers to 3 at 6 PM, and concludes at a very manageable 1 by 7 PM. This pattern highlights the critical importance of sunscreen and protective clothing during midday outdoor activities.

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	5	moderate	30 min
11:00	9	very high	15 min
12:00	12	extreme	10 min
13:00	14	extreme	10 min
14:00	14	extreme	10 min
15:00	13	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 Ostoyahualco

Throughout the year, UV Index readings exhibit significant seasonal variation, with the highest levels occurring from March to September where the index consistently reaches 14 and is classified as extreme. January and November present very high indices of 10, with a burn time of 15 minutes, while December features a slightly lower index of 9. Visitors and residents are particularly at risk during the months of February through October, where the burn time drastically shortens to just 10 minutes due to the extreme UV exposure. It is essential for individuals to take proactive measures during these high-risk months by wearing protective clothing, applying sunscreen, and seeking shade to reduce the risk of skin damage.

Monthly Maximum UV Index for Ostoyahualco, Mexico

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

The table above highlights how UV exposure in Ostoyahualco 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.

Ostoyahualco'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
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
Ostoyahualco	10	12	14	14	14	14	14	14	14	12	10	9
Puebla UVI	10	12	14	15	15	15	15	14	14	13	10	9